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	<id>https://cof.canolfanuwchgwyrfai.cymru/index.php?action=history&amp;feed=atom&amp;title=Clogwyn_y_Barcut</id>
	<title>Clogwyn y Barcut - Hanes golygu</title>
	<link rel="self" type="application/atom+xml" href="https://cof.canolfanuwchgwyrfai.cymru/index.php?action=history&amp;feed=atom&amp;title=Clogwyn_y_Barcut"/>
	<link rel="alternate" type="text/html" href="https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Clogwyn_y_Barcut&amp;action=history"/>
	<updated>2026-05-06T18:52:29Z</updated>
	<subtitle>Hanes diwygio&#039;r dudalen hon ar y wici</subtitle>
	<generator>MediaWiki 1.43.1</generator>
	<entry>
		<id>https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Clogwyn_y_Barcut&amp;diff=10886&amp;oldid=prev</id>
		<title>Cyfaill Eben am 14:14, 16 Chwefror 2021</title>
		<link rel="alternate" type="text/html" href="https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Clogwyn_y_Barcut&amp;diff=10886&amp;oldid=prev"/>
		<updated>2021-02-16T14:14:50Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;cy&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Fersiwn hŷn&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Fersiwn yn ôl 15:14, 16 Chwefror 2021&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Llinell 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Llinell 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Delwedd:Clogwyn y Barcut leat - geograph.org.uk - 1510993.jpg|bawd|de|400px|Llun:David Medcalf. Mae olion y ddyfrffos yn ymddangos fel silff yn y llun]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Delwedd:Clogwyn y Barcut leat - geograph.org.uk - 1510993.jpg|bawd|de|400px|Llun:David Medcalf. Mae olion y ddyfrffos yn ymddangos fel silff yn y llun]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&#039;&#039;&#039;Clogwyn y Barcut&#039;&#039;&#039; yw enw&#039;r clogwyn uwchben, ac i&#039;r de o, bentref [[Drws-y-coed]], ac ar lethr ogleddol mynydd [[Y Garn]]. Ar ei uchaf, mae&#039;r mynydd hwn yn 347 metr uwchben lefel y môr. Yn uchel ar ddwy ystlys y clogwyn y mae olion tyllau treialu am fetelau, sef copr yn fwy na thebyg, yn dyddio&#039;n ôl i ganol y 19g. ar yr hwyraf. Mae&#039;r ddau dwll tua 8 metr o hyd.&amp;lt;ref&amp;gt;Gwefan Coflein: [https://www.coflein.gov.uk/en/site/287124/details/clogwyn-y-barcut-trial-mine-i] a [https://www.coflein.gov.uk/en/site/287126/details/clogwyn-y-barcut-trial-mine-ii]; cyrchwyd 15..2.2021&amp;lt;/ref&amp;gt; Mae olion dyfrffos (sef &#039;&#039;leat&#039;&#039; yn Saesneg) yn rhedeg o amgylch ochr Clogwyn y Barcut, yn cario dŵr o [[Afon Gelli-dywyll]] a [[Llyn Cwm-y-ffynnon]] i gronfa ddŵr a grëwyd at ddibenion mwyngloddio yng ngwaelod y cwm ger [[Drws-y-coed Isaf]]. Roedd y &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;dyfrffos &lt;/del&gt;wedi ei hadeiladu&#039;n ofalus ac yn mynd trwy dwnel.&amp;lt;ref&amp;gt;David Medcalf, nodiadau am lun o&#039;i eiddo (a ddangosir ar y dudalen hon), [https://www.geograph.org.uk/photo/1510993], cyrchwyd 15.2.2021&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&#039;&#039;&#039;Clogwyn y Barcut&#039;&#039;&#039; yw enw&#039;r clogwyn uwchben, ac i&#039;r de o, bentref [[Drws-y-coed]], ac ar lethr ogleddol mynydd [[Y Garn]]. Ar ei uchaf, mae&#039;r mynydd hwn yn 347 metr uwchben lefel y môr. Yn uchel ar ddwy ystlys y clogwyn y mae olion tyllau treialu am fetelau, sef copr yn fwy na thebyg, yn dyddio&#039;n ôl i ganol y 19g. ar yr hwyraf. Mae&#039;r ddau dwll tua 8 metr o hyd.&amp;lt;ref&amp;gt;Gwefan Coflein: [https://www.coflein.gov.uk/en/site/287124/details/clogwyn-y-barcut-trial-mine-i] a [https://www.coflein.gov.uk/en/site/287126/details/clogwyn-y-barcut-trial-mine-ii]; cyrchwyd 15..2.2021&amp;lt;/ref&amp;gt; Mae olion dyfrffos (sef &#039;&#039;leat&#039;&#039; yn Saesneg) yn rhedeg o amgylch ochr Clogwyn y Barcut, yn cario dŵr o [[Afon Gelli-dywyll]] a [[Llyn Cwm-y-ffynnon]] i gronfa ddŵr a grëwyd at ddibenion mwyngloddio yng ngwaelod y cwm ger [[Drws-y-coed Isaf]]. Roedd y &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;ddyfrffos &lt;/ins&gt;wedi ei hadeiladu&#039;n ofalus ac yn mynd trwy dwnel.&amp;lt;ref&amp;gt;David Medcalf, nodiadau am lun o&#039;i eiddo (a ddangosir ar y dudalen hon), [https://www.geograph.org.uk/photo/1510993], cyrchwyd 15.2.2021&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{eginyn}}&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{eginyn}}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Cyfaill Eben</name></author>
	</entry>
	<entry>
		<id>https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Clogwyn_y_Barcut&amp;diff=10872&amp;oldid=prev</id>
		<title>Irion am 17:53, 15 Chwefror 2021</title>
		<link rel="alternate" type="text/html" href="https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Clogwyn_y_Barcut&amp;diff=10872&amp;oldid=prev"/>
		<updated>2021-02-15T17:53:14Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;cy&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Fersiwn hŷn&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Fersiwn yn ôl 18:53, 15 Chwefror 2021&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Llinell 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Llinell 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Delwedd:Clogwyn y Barcut leat - geograph.org.uk - 1510993.jpg|bawd|de|400px|Llun:David Medcalf. Mae olion y &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;ddyrffos &lt;/del&gt;yn ymddangos fel silff yn y llun]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Delwedd:Clogwyn y Barcut leat - geograph.org.uk - 1510993.jpg|bawd|de|400px|Llun:David Medcalf. Mae olion y &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;ddyfrffos &lt;/ins&gt;yn ymddangos fel silff yn y llun]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#039;&amp;#039;&amp;#039;Clogwyn y Barcut&amp;#039;&amp;#039;&amp;#039; yw enw&amp;#039;r clogwyn uwchben, ac i&amp;#039;r de o, bentref [[Drws-y-coed]], ac ar lethr ogleddol mynydd [[Y Garn]]. Ar ei uchaf, mae&amp;#039;r mynydd hwn yn 347 metr uwchben lefel y môr. Yn uchel ar ddwy ystlys y clogwyn y mae olion tyllau treialu am fetelau, sef copr yn fwy na thebyg, yn dyddio&amp;#039;n ôl i ganol y 19g. ar yr hwyraf. Mae&amp;#039;r ddau dwll tua 8 metr o hyd.&amp;lt;ref&amp;gt;Gwefan Coflein: [https://www.coflein.gov.uk/en/site/287124/details/clogwyn-y-barcut-trial-mine-i] a [https://www.coflein.gov.uk/en/site/287126/details/clogwyn-y-barcut-trial-mine-ii]; cyrchwyd 15..2.2021&amp;lt;/ref&amp;gt; Mae olion dyfrffos (sef &amp;#039;&amp;#039;leat&amp;#039;&amp;#039; yn Saesneg) yn rhedeg o amgylch ochr Clogwyn y Barcut, yn cario dŵr o [[Afon Gelli-dywyll]] a [[Llyn Cwm-y-ffynnon]] i gronfa ddŵr a grëwyd at ddibenion mwyngloddio yng ngwaelod y cwm ger [[Drws-y-coed Isaf]]. Roedd y dyfrffos wedi ei hadeiladu&amp;#039;n ofalus ac yn mynd trwy dwnel.&amp;lt;ref&amp;gt;David Medcalf, nodiadau am lun o&amp;#039;i eiddo (a ddangosir ar y dudalen hon), [https://www.geograph.org.uk/photo/1510993], cyrchwyd 15.2.2021&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#039;&amp;#039;&amp;#039;Clogwyn y Barcut&amp;#039;&amp;#039;&amp;#039; yw enw&amp;#039;r clogwyn uwchben, ac i&amp;#039;r de o, bentref [[Drws-y-coed]], ac ar lethr ogleddol mynydd [[Y Garn]]. Ar ei uchaf, mae&amp;#039;r mynydd hwn yn 347 metr uwchben lefel y môr. Yn uchel ar ddwy ystlys y clogwyn y mae olion tyllau treialu am fetelau, sef copr yn fwy na thebyg, yn dyddio&amp;#039;n ôl i ganol y 19g. ar yr hwyraf. Mae&amp;#039;r ddau dwll tua 8 metr o hyd.&amp;lt;ref&amp;gt;Gwefan Coflein: [https://www.coflein.gov.uk/en/site/287124/details/clogwyn-y-barcut-trial-mine-i] a [https://www.coflein.gov.uk/en/site/287126/details/clogwyn-y-barcut-trial-mine-ii]; cyrchwyd 15..2.2021&amp;lt;/ref&amp;gt; Mae olion dyfrffos (sef &amp;#039;&amp;#039;leat&amp;#039;&amp;#039; yn Saesneg) yn rhedeg o amgylch ochr Clogwyn y Barcut, yn cario dŵr o [[Afon Gelli-dywyll]] a [[Llyn Cwm-y-ffynnon]] i gronfa ddŵr a grëwyd at ddibenion mwyngloddio yng ngwaelod y cwm ger [[Drws-y-coed Isaf]]. Roedd y dyfrffos wedi ei hadeiladu&amp;#039;n ofalus ac yn mynd trwy dwnel.&amp;lt;ref&amp;gt;David Medcalf, nodiadau am lun o&amp;#039;i eiddo (a ddangosir ar y dudalen hon), [https://www.geograph.org.uk/photo/1510993], cyrchwyd 15.2.2021&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Irion</name></author>
	</entry>
	<entry>
		<id>https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Clogwyn_y_Barcut&amp;diff=10871&amp;oldid=prev</id>
		<title>Irion am 17:52, 15 Chwefror 2021</title>
		<link rel="alternate" type="text/html" href="https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Clogwyn_y_Barcut&amp;diff=10871&amp;oldid=prev"/>
		<updated>2021-02-15T17:52:43Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;cy&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Fersiwn hŷn&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Fersiwn yn ôl 18:52, 15 Chwefror 2021&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Llinell 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Llinell 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Delwedd:Clogwyn y Barcut leat - geograph.org.uk - 1510993.jpg|bawd|de|400px|Llun:David Medcalf]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Delwedd:Clogwyn y Barcut leat - geograph.org.uk - 1510993.jpg|bawd|de|400px|Llun:David Medcalf&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;. Mae olion y ddyrffos yn ymddangos fel silff yn y llun&lt;/ins&gt;]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&#039;&#039;&#039;Clogwyn y Barcut&#039;&#039;&#039; yw enw&#039;r clogwyn uwchben, ac i&#039;r de o, bentref [[Drws-y-coed]], ac ar lethr ogleddol mynydd [[Y Garn]]. Ar ei uchaf, mae&#039;r mynydd hwn yn 347 metr uwchben lefel y môr. Yn uchel ar ddwy ystlys y clogwyn y mae olion tyllau treialu am fetelau, sef copr yn fwy na thebyg, yn dyddio&#039;n ôl i ganol y 19g. ar yr hwyraf. Mae&#039;r ddau dwll tua 8 metr o hyd.&amp;lt;ref&amp;gt;Gwefan Coflein: [https://www.coflein.gov.uk/en/site/287124/details/clogwyn-y-barcut-trial-mine-i] a [https://www.coflein.gov.uk/en/site/287126/details/clogwyn-y-barcut-trial-mine-ii]; cyrchwyd 15..2.2021&amp;lt;/ref&amp;gt; Mae olion dyfrffos (sef &#039;&#039;leat&#039;&#039; yn Saesneg) yn rhedeg o amgylch ochr Clogwyn y Barcut, yn cario dŵr o [[Afon Gelli-dywyll]] a [[Llyn Cwm-y-ffynnon]] i gronfa ddŵr a grëwyd at ddibenion mwyngloddio yng ngwaelod y cwm ger [[Drws-y-coed Isaf]].&amp;lt;ref&amp;gt;David Medcalf, nodiadau am lun o&#039;i eiddo (a ddangosir ar y dudalen hon), [https://www.geograph.org.uk/photo/1510993], cyrchwyd 15.2.2021&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&#039;&#039;&#039;Clogwyn y Barcut&#039;&#039;&#039; yw enw&#039;r clogwyn uwchben, ac i&#039;r de o, bentref [[Drws-y-coed]], ac ar lethr ogleddol mynydd [[Y Garn]]. Ar ei uchaf, mae&#039;r mynydd hwn yn 347 metr uwchben lefel y môr. Yn uchel ar ddwy ystlys y clogwyn y mae olion tyllau treialu am fetelau, sef copr yn fwy na thebyg, yn dyddio&#039;n ôl i ganol y 19g. ar yr hwyraf. Mae&#039;r ddau dwll tua 8 metr o hyd.&amp;lt;ref&amp;gt;Gwefan Coflein: [https://www.coflein.gov.uk/en/site/287124/details/clogwyn-y-barcut-trial-mine-i] a [https://www.coflein.gov.uk/en/site/287126/details/clogwyn-y-barcut-trial-mine-ii]; cyrchwyd 15..2.2021&amp;lt;/ref&amp;gt; Mae olion dyfrffos (sef &#039;&#039;leat&#039;&#039; yn Saesneg) yn rhedeg o amgylch ochr Clogwyn y Barcut, yn cario dŵr o [[Afon Gelli-dywyll]] a [[Llyn Cwm-y-ffynnon]] i gronfa ddŵr a grëwyd at ddibenion mwyngloddio yng ngwaelod y cwm ger [[Drws-y-coed Isaf]]&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;. Roedd y dyfrffos wedi ei hadeiladu&#039;n ofalus ac yn mynd trwy dwnel&lt;/ins&gt;.&amp;lt;ref&amp;gt;David Medcalf, nodiadau am lun o&#039;i eiddo (a ddangosir ar y dudalen hon), [https://www.geograph.org.uk/photo/1510993], cyrchwyd 15.2.2021&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{eginyn}}&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{eginyn}}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Irion</name></author>
	</entry>
	<entry>
		<id>https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Clogwyn_y_Barcut&amp;diff=10870&amp;oldid=prev</id>
		<title>Irion am 17:51, 15 Chwefror 2021</title>
		<link rel="alternate" type="text/html" href="https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Clogwyn_y_Barcut&amp;diff=10870&amp;oldid=prev"/>
		<updated>2021-02-15T17:51:10Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;cy&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Fersiwn hŷn&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Fersiwn yn ôl 18:51, 15 Chwefror 2021&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Llinell 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Llinell 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Delwedd:geograph-1510993&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;-by-David-Medcalf&lt;/del&gt;.jpg|bawd|de|400px|Llun:David Medcalf]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Delwedd:&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Clogwyn y Barcut leat - &lt;/ins&gt;geograph&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;.org.uk &lt;/ins&gt;- 1510993.jpg|bawd|de|400px|Llun:David Medcalf]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#039;&amp;#039;&amp;#039;Clogwyn y Barcut&amp;#039;&amp;#039;&amp;#039; yw enw&amp;#039;r clogwyn uwchben, ac i&amp;#039;r de o, bentref [[Drws-y-coed]], ac ar lethr ogleddol mynydd [[Y Garn]]. Ar ei uchaf, mae&amp;#039;r mynydd hwn yn 347 metr uwchben lefel y môr. Yn uchel ar ddwy ystlys y clogwyn y mae olion tyllau treialu am fetelau, sef copr yn fwy na thebyg, yn dyddio&amp;#039;n ôl i ganol y 19g. ar yr hwyraf. Mae&amp;#039;r ddau dwll tua 8 metr o hyd.&amp;lt;ref&amp;gt;Gwefan Coflein: [https://www.coflein.gov.uk/en/site/287124/details/clogwyn-y-barcut-trial-mine-i] a [https://www.coflein.gov.uk/en/site/287126/details/clogwyn-y-barcut-trial-mine-ii]; cyrchwyd 15..2.2021&amp;lt;/ref&amp;gt; Mae olion dyfrffos (sef &amp;#039;&amp;#039;leat&amp;#039;&amp;#039; yn Saesneg) yn rhedeg o amgylch ochr Clogwyn y Barcut, yn cario dŵr o [[Afon Gelli-dywyll]] a [[Llyn Cwm-y-ffynnon]] i gronfa ddŵr a grëwyd at ddibenion mwyngloddio yng ngwaelod y cwm ger [[Drws-y-coed Isaf]].&amp;lt;ref&amp;gt;David Medcalf, nodiadau am lun o&amp;#039;i eiddo (a ddangosir ar y dudalen hon), [https://www.geograph.org.uk/photo/1510993], cyrchwyd 15.2.2021&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#039;&amp;#039;&amp;#039;Clogwyn y Barcut&amp;#039;&amp;#039;&amp;#039; yw enw&amp;#039;r clogwyn uwchben, ac i&amp;#039;r de o, bentref [[Drws-y-coed]], ac ar lethr ogleddol mynydd [[Y Garn]]. Ar ei uchaf, mae&amp;#039;r mynydd hwn yn 347 metr uwchben lefel y môr. Yn uchel ar ddwy ystlys y clogwyn y mae olion tyllau treialu am fetelau, sef copr yn fwy na thebyg, yn dyddio&amp;#039;n ôl i ganol y 19g. ar yr hwyraf. Mae&amp;#039;r ddau dwll tua 8 metr o hyd.&amp;lt;ref&amp;gt;Gwefan Coflein: [https://www.coflein.gov.uk/en/site/287124/details/clogwyn-y-barcut-trial-mine-i] a [https://www.coflein.gov.uk/en/site/287126/details/clogwyn-y-barcut-trial-mine-ii]; cyrchwyd 15..2.2021&amp;lt;/ref&amp;gt; Mae olion dyfrffos (sef &amp;#039;&amp;#039;leat&amp;#039;&amp;#039; yn Saesneg) yn rhedeg o amgylch ochr Clogwyn y Barcut, yn cario dŵr o [[Afon Gelli-dywyll]] a [[Llyn Cwm-y-ffynnon]] i gronfa ddŵr a grëwyd at ddibenion mwyngloddio yng ngwaelod y cwm ger [[Drws-y-coed Isaf]].&amp;lt;ref&amp;gt;David Medcalf, nodiadau am lun o&amp;#039;i eiddo (a ddangosir ar y dudalen hon), [https://www.geograph.org.uk/photo/1510993], cyrchwyd 15.2.2021&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Irion</name></author>
	</entry>
	<entry>
		<id>https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Clogwyn_y_Barcut&amp;diff=10869&amp;oldid=prev</id>
		<title>Irion am 17:49, 15 Chwefror 2021</title>
		<link rel="alternate" type="text/html" href="https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Clogwyn_y_Barcut&amp;diff=10869&amp;oldid=prev"/>
		<updated>2021-02-15T17:49:48Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;cy&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Fersiwn hŷn&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Fersiwn yn ôl 18:49, 15 Chwefror 2021&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Llinell 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Llinell 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Delwedd:geograph-1510993-by-David-Medcalf.jpg|bawd|de|400px|Llun:David &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Metcalf&lt;/del&gt;]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Delwedd:geograph-1510993-by-David-Medcalf.jpg|bawd|de|400px|Llun:David &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Medcalf&lt;/ins&gt;]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#039;&amp;#039;&amp;#039;Clogwyn y Barcut&amp;#039;&amp;#039;&amp;#039; yw enw&amp;#039;r clogwyn uwchben, ac i&amp;#039;r de o, bentref [[Drws-y-coed]], ac ar lethr ogleddol mynydd [[Y Garn]]. Ar ei uchaf, mae&amp;#039;r mynydd hwn yn 347 metr uwchben lefel y môr. Yn uchel ar ddwy ystlys y clogwyn y mae olion tyllau treialu am fetelau, sef copr yn fwy na thebyg, yn dyddio&amp;#039;n ôl i ganol y 19g. ar yr hwyraf. Mae&amp;#039;r ddau dwll tua 8 metr o hyd.&amp;lt;ref&amp;gt;Gwefan Coflein: [https://www.coflein.gov.uk/en/site/287124/details/clogwyn-y-barcut-trial-mine-i] a [https://www.coflein.gov.uk/en/site/287126/details/clogwyn-y-barcut-trial-mine-ii]; cyrchwyd 15..2.2021&amp;lt;/ref&amp;gt; Mae olion dyfrffos (sef &amp;#039;&amp;#039;leat&amp;#039;&amp;#039; yn Saesneg) yn rhedeg o amgylch ochr Clogwyn y Barcut, yn cario dŵr o [[Afon Gelli-dywyll]] a [[Llyn Cwm-y-ffynnon]] i gronfa ddŵr a grëwyd at ddibenion mwyngloddio yng ngwaelod y cwm ger [[Drws-y-coed Isaf]].&amp;lt;ref&amp;gt;David Medcalf, nodiadau am lun o&amp;#039;i eiddo (a ddangosir ar y dudalen hon), [https://www.geograph.org.uk/photo/1510993], cyrchwyd 15.2.2021&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#039;&amp;#039;&amp;#039;Clogwyn y Barcut&amp;#039;&amp;#039;&amp;#039; yw enw&amp;#039;r clogwyn uwchben, ac i&amp;#039;r de o, bentref [[Drws-y-coed]], ac ar lethr ogleddol mynydd [[Y Garn]]. Ar ei uchaf, mae&amp;#039;r mynydd hwn yn 347 metr uwchben lefel y môr. Yn uchel ar ddwy ystlys y clogwyn y mae olion tyllau treialu am fetelau, sef copr yn fwy na thebyg, yn dyddio&amp;#039;n ôl i ganol y 19g. ar yr hwyraf. Mae&amp;#039;r ddau dwll tua 8 metr o hyd.&amp;lt;ref&amp;gt;Gwefan Coflein: [https://www.coflein.gov.uk/en/site/287124/details/clogwyn-y-barcut-trial-mine-i] a [https://www.coflein.gov.uk/en/site/287126/details/clogwyn-y-barcut-trial-mine-ii]; cyrchwyd 15..2.2021&amp;lt;/ref&amp;gt; Mae olion dyfrffos (sef &amp;#039;&amp;#039;leat&amp;#039;&amp;#039; yn Saesneg) yn rhedeg o amgylch ochr Clogwyn y Barcut, yn cario dŵr o [[Afon Gelli-dywyll]] a [[Llyn Cwm-y-ffynnon]] i gronfa ddŵr a grëwyd at ddibenion mwyngloddio yng ngwaelod y cwm ger [[Drws-y-coed Isaf]].&amp;lt;ref&amp;gt;David Medcalf, nodiadau am lun o&amp;#039;i eiddo (a ddangosir ar y dudalen hon), [https://www.geograph.org.uk/photo/1510993], cyrchwyd 15.2.2021&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Irion</name></author>
	</entry>
	<entry>
		<id>https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Clogwyn_y_Barcut&amp;diff=10868&amp;oldid=prev</id>
		<title>Irion am 17:46, 15 Chwefror 2021</title>
		<link rel="alternate" type="text/html" href="https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Clogwyn_y_Barcut&amp;diff=10868&amp;oldid=prev"/>
		<updated>2021-02-15T17:46:51Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;cy&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Fersiwn hŷn&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Fersiwn yn ôl 18:46, 15 Chwefror 2021&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Llinell 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Llinell 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[Delwedd:geograph-1510993-by-David-Medcalf.jpg|bawd|de|400px|Llun:David Metcalf]]&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#039;&amp;#039;&amp;#039;Clogwyn y Barcut&amp;#039;&amp;#039;&amp;#039; yw enw&amp;#039;r clogwyn uwchben, ac i&amp;#039;r de o, bentref [[Drws-y-coed]], ac ar lethr ogleddol mynydd [[Y Garn]]. Ar ei uchaf, mae&amp;#039;r mynydd hwn yn 347 metr uwchben lefel y môr. Yn uchel ar ddwy ystlys y clogwyn y mae olion tyllau treialu am fetelau, sef copr yn fwy na thebyg, yn dyddio&amp;#039;n ôl i ganol y 19g. ar yr hwyraf. Mae&amp;#039;r ddau dwll tua 8 metr o hyd.&amp;lt;ref&amp;gt;Gwefan Coflein: [https://www.coflein.gov.uk/en/site/287124/details/clogwyn-y-barcut-trial-mine-i] a [https://www.coflein.gov.uk/en/site/287126/details/clogwyn-y-barcut-trial-mine-ii]; cyrchwyd 15..2.2021&amp;lt;/ref&amp;gt; Mae olion dyfrffos (sef &amp;#039;&amp;#039;leat&amp;#039;&amp;#039; yn Saesneg) yn rhedeg o amgylch ochr Clogwyn y Barcut, yn cario dŵr o [[Afon Gelli-dywyll]] a [[Llyn Cwm-y-ffynnon]] i gronfa ddŵr a grëwyd at ddibenion mwyngloddio yng ngwaelod y cwm ger [[Drws-y-coed Isaf]].&amp;lt;ref&amp;gt;David Medcalf, nodiadau am lun o&amp;#039;i eiddo (a ddangosir ar y dudalen hon), [https://www.geograph.org.uk/photo/1510993], cyrchwyd 15.2.2021&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#039;&amp;#039;&amp;#039;Clogwyn y Barcut&amp;#039;&amp;#039;&amp;#039; yw enw&amp;#039;r clogwyn uwchben, ac i&amp;#039;r de o, bentref [[Drws-y-coed]], ac ar lethr ogleddol mynydd [[Y Garn]]. Ar ei uchaf, mae&amp;#039;r mynydd hwn yn 347 metr uwchben lefel y môr. Yn uchel ar ddwy ystlys y clogwyn y mae olion tyllau treialu am fetelau, sef copr yn fwy na thebyg, yn dyddio&amp;#039;n ôl i ganol y 19g. ar yr hwyraf. Mae&amp;#039;r ddau dwll tua 8 metr o hyd.&amp;lt;ref&amp;gt;Gwefan Coflein: [https://www.coflein.gov.uk/en/site/287124/details/clogwyn-y-barcut-trial-mine-i] a [https://www.coflein.gov.uk/en/site/287126/details/clogwyn-y-barcut-trial-mine-ii]; cyrchwyd 15..2.2021&amp;lt;/ref&amp;gt; Mae olion dyfrffos (sef &amp;#039;&amp;#039;leat&amp;#039;&amp;#039; yn Saesneg) yn rhedeg o amgylch ochr Clogwyn y Barcut, yn cario dŵr o [[Afon Gelli-dywyll]] a [[Llyn Cwm-y-ffynnon]] i gronfa ddŵr a grëwyd at ddibenion mwyngloddio yng ngwaelod y cwm ger [[Drws-y-coed Isaf]].&amp;lt;ref&amp;gt;David Medcalf, nodiadau am lun o&amp;#039;i eiddo (a ddangosir ar y dudalen hon), [https://www.geograph.org.uk/photo/1510993], cyrchwyd 15.2.2021&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Irion</name></author>
	</entry>
	<entry>
		<id>https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Clogwyn_y_Barcut&amp;diff=10867&amp;oldid=prev</id>
		<title>Irion am 15:00, 15 Chwefror 2021</title>
		<link rel="alternate" type="text/html" href="https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Clogwyn_y_Barcut&amp;diff=10867&amp;oldid=prev"/>
		<updated>2021-02-15T15:00:18Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;cy&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Fersiwn hŷn&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Fersiwn yn ôl 16:00, 15 Chwefror 2021&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Llinell 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Llinell 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&#039;&#039;&#039;Clogwyn y Barcut&#039;&#039;&#039; yw enw&#039;r clogwyn uwchben, ac i&#039;r de o, bentref [[Drws-y-coed]], ac ar lethr ogleddol mynydd [[Y Garn]]. Ar ei uchaf, mae&#039;r mynydd hwn yn 347 metr uwchben lefel y môr. Yn uchel ar ddwy ystlys y clogwyn y mae olion tyllau treialu am fetelau, &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;a chopr &lt;/del&gt;yn fwy na thebyg, yn dyddio&#039;n ôl i ganol y 19g. &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;o leiaf&lt;/del&gt;. Mae&#039;r ddau dwll tua 8 metr o hyd.&amp;lt;ref&amp;gt;Gwefan Coflein: [https://www.coflein.gov.uk/en/site/287124/details/clogwyn-y-barcut-trial-mine-i] a [https://www.coflein.gov.uk/en/site/287126/details/clogwyn-y-barcut-trial-mine-ii]; cyrchwyd 15..2.2021&amp;lt;/ref&amp;gt; Mae olion dyfrffos (sef &#039;&#039;leat&#039;&#039; yn Saesneg) yn rhedeg o amgylch ochr Clogwyn y Barcut, yn cario dŵr o [[Afon Gelli-dywyll]] a [[Llyn y &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Ffynnon&lt;/del&gt;]] i  &lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&#039;&#039;&#039;Clogwyn y Barcut&#039;&#039;&#039; yw enw&#039;r clogwyn uwchben, ac i&#039;r de o, bentref [[Drws-y-coed]], ac ar lethr ogleddol mynydd [[Y Garn]]. Ar ei uchaf, mae&#039;r mynydd hwn yn 347 metr uwchben lefel y môr. Yn uchel ar ddwy ystlys y clogwyn y mae olion tyllau treialu am fetelau, &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;sef copr &lt;/ins&gt;yn fwy na thebyg, yn dyddio&#039;n ôl i ganol y 19g. &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;ar yr hwyraf&lt;/ins&gt;. Mae&#039;r ddau dwll tua 8 metr o hyd.&amp;lt;ref&amp;gt;Gwefan Coflein: [https://www.coflein.gov.uk/en/site/287124/details/clogwyn-y-barcut-trial-mine-i] a [https://www.coflein.gov.uk/en/site/287126/details/clogwyn-y-barcut-trial-mine-ii]; cyrchwyd 15..2.2021&amp;lt;/ref&amp;gt; Mae olion dyfrffos (sef &#039;&#039;leat&#039;&#039; yn Saesneg) yn rhedeg o amgylch ochr Clogwyn y Barcut, yn cario dŵr o [[Afon Gelli-dywyll]] a [[Llyn &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Cwm-&lt;/ins&gt;y&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;-ffynnon&lt;/ins&gt;]] i gronfa &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;ddŵr &lt;/ins&gt;a grëwyd at ddibenion mwyngloddio yng ngwaelod y cwm ger [[Drws-y-coed Isaf]].&amp;lt;ref&amp;gt;David Medcalf, nodiadau am lun o&#039;i eiddo (a ddangosir ar y dudalen hon), [https://www.geograph.org.uk/photo/1510993], cyrchwyd 15.2.2021&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;gronfa &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;ddwr &lt;/del&gt;a grëwyd at ddibenion mwyngloddio yng ngwaelod y cwm ger [[Drws-y-coed Isaf]].&amp;lt;ref&amp;gt;David Medcalf, nodiadau am lun o&#039;i eiddo (a ddangosir ar y dudalen hon), [https://www.geograph.org.uk/photo/1510993], cyrchwyd 15.2.2021&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-added&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{eginyn}}&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{eginyn}}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Irion</name></author>
	</entry>
	<entry>
		<id>https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Clogwyn_y_Barcut&amp;diff=10866&amp;oldid=prev</id>
		<title>Irion am 14:58, 15 Chwefror 2021</title>
		<link rel="alternate" type="text/html" href="https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Clogwyn_y_Barcut&amp;diff=10866&amp;oldid=prev"/>
		<updated>2021-02-15T14:58:50Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;cy&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Fersiwn hŷn&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Fersiwn yn ôl 15:58, 15 Chwefror 2021&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Llinell 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Llinell 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#039;&amp;#039;&amp;#039;Clogwyn y Barcut&amp;#039;&amp;#039;&amp;#039; yw enw&amp;#039;r clogwyn uwchben, ac i&amp;#039;r de o, bentref [[Drws-y-coed]], ac ar lethr ogleddol mynydd [[Y Garn]]. Ar ei uchaf, mae&amp;#039;r mynydd hwn yn 347 metr uwchben lefel y môr. Yn uchel ar ddwy ystlys y clogwyn y mae olion tyllau treialu am fetelau, a chopr yn fwy na thebyg, yn dyddio&amp;#039;n ôl i ganol y 19g. o leiaf. Mae&amp;#039;r ddau dwll tua 8 metr o hyd.&amp;lt;ref&amp;gt;Gwefan Coflein: [https://www.coflein.gov.uk/en/site/287124/details/clogwyn-y-barcut-trial-mine-i] a [https://www.coflein.gov.uk/en/site/287126/details/clogwyn-y-barcut-trial-mine-ii]; cyrchwyd 15..2.2021&amp;lt;/ref&amp;gt; Mae olion dyfrffos (sef &amp;#039;&amp;#039;leat&amp;#039;&amp;#039; yn Saesneg) yn rhedeg o amgylch ochr Clogwyn y Barcut, yn cario dŵr o [[Afon Gelli-dywyll]] a [[Llyn y Ffynnon]] i  &lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#039;&amp;#039;&amp;#039;Clogwyn y Barcut&amp;#039;&amp;#039;&amp;#039; yw enw&amp;#039;r clogwyn uwchben, ac i&amp;#039;r de o, bentref [[Drws-y-coed]], ac ar lethr ogleddol mynydd [[Y Garn]]. Ar ei uchaf, mae&amp;#039;r mynydd hwn yn 347 metr uwchben lefel y môr. Yn uchel ar ddwy ystlys y clogwyn y mae olion tyllau treialu am fetelau, a chopr yn fwy na thebyg, yn dyddio&amp;#039;n ôl i ganol y 19g. o leiaf. Mae&amp;#039;r ddau dwll tua 8 metr o hyd.&amp;lt;ref&amp;gt;Gwefan Coflein: [https://www.coflein.gov.uk/en/site/287124/details/clogwyn-y-barcut-trial-mine-i] a [https://www.coflein.gov.uk/en/site/287126/details/clogwyn-y-barcut-trial-mine-ii]; cyrchwyd 15..2.2021&amp;lt;/ref&amp;gt; Mae olion dyfrffos (sef &amp;#039;&amp;#039;leat&amp;#039;&amp;#039; yn Saesneg) yn rhedeg o amgylch ochr Clogwyn y Barcut, yn cario dŵr o [[Afon Gelli-dywyll]] a [[Llyn y Ffynnon]] i  &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;gronfa ddwr a grëwyd at ddibenion mwyngloddio yng ngwaelod y cwm ger [[Drws-y-coed Isaf]].&amp;lt;ref&amp;gt;&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;gronfa ddwr a grëwyd at ddibenion mwyngloddio yng ngwaelod y cwm ger [[Drws-y-coed Isaf]].&amp;lt;ref&amp;gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;David Medcalf, nodiadau am lun o&#039;i eiddo (a ddangosir ar y dudalen hon), [https://www.geograph.org.uk/photo/1510993], cyrchwyd 15.2.2021&lt;/ins&gt;&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{eginyn}}&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{eginyn}}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Irion</name></author>
	</entry>
	<entry>
		<id>https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Clogwyn_y_Barcut&amp;diff=10865&amp;oldid=prev</id>
		<title>Irion am 14:57, 15 Chwefror 2021</title>
		<link rel="alternate" type="text/html" href="https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Clogwyn_y_Barcut&amp;diff=10865&amp;oldid=prev"/>
		<updated>2021-02-15T14:57:20Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;cy&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Fersiwn hŷn&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Fersiwn yn ôl 15:57, 15 Chwefror 2021&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Llinell 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Llinell 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&#039;&#039;&#039;Clogwyn y Barcut&#039;&#039;&#039; yw enw&#039;r clogwyn uwchben, ac i&#039;r de o, bentref [[Drws-y-coed]], ac ar lethr ogleddol mynydd [[Y Garn]]. Ar ei uchaf, mae&#039;r mynydd hwn yn 347 metr uwchben lefel y môr. Yn uchel ar ddwy ystlys y clogwyn y mae olion tyllau treialu am fetelau, a chopr yn fwy na thebyg, yn dyddio&#039;n ôl i ganol y 19g. o leiaf. Mae&#039;r ddau dwll tua 8 metr o hyd.&amp;lt;ref&amp;gt;Gwefan Coflein: [https://www.coflein.gov.uk/en/site/287124/details/clogwyn-y-barcut-trial-mine-i] a [https://www.coflein.gov.uk/en/site/287126/details/clogwyn-y-barcut-trial-mine-ii]; cyrchwyd 15..2.2021&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&#039;&#039;&#039;Clogwyn y Barcut&#039;&#039;&#039; yw enw&#039;r clogwyn uwchben, ac i&#039;r de o, bentref [[Drws-y-coed]], ac ar lethr ogleddol mynydd [[Y Garn]]. Ar ei uchaf, mae&#039;r mynydd hwn yn 347 metr uwchben lefel y môr. Yn uchel ar ddwy ystlys y clogwyn y mae olion tyllau treialu am fetelau, a chopr yn fwy na thebyg, yn dyddio&#039;n ôl i ganol y 19g. o leiaf. Mae&#039;r ddau dwll tua 8 metr o hyd.&amp;lt;ref&amp;gt;Gwefan Coflein: [https://www.coflein.gov.uk/en/site/287124/details/clogwyn-y-barcut-trial-mine-i] a [https://www.coflein.gov.uk/en/site/287126/details/clogwyn-y-barcut-trial-mine-ii]; cyrchwyd 15..2.2021&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;/ref&amp;gt; Mae olion dyfrffos (sef &#039;&#039;leat&#039;&#039; yn Saesneg) yn rhedeg o amgylch ochr Clogwyn y Barcut, yn cario dŵr o [[Afon Gelli-dywyll]] a [[Llyn y Ffynnon]] i &lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;gronfa ddwr a grëwyd at ddibenion mwyngloddio yng ngwaelod y cwm ger [[Drws-y-coed Isaf]].&amp;lt;ref&amp;gt;&lt;/ins&gt;&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{eginyn}}&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{eginyn}}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Irion</name></author>
	</entry>
	<entry>
		<id>https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Clogwyn_y_Barcut&amp;diff=10864&amp;oldid=prev</id>
		<title>Irion: Crëwyd tudalen newydd yn dechrau gyda &#039;&#039;&#039;&#039;Clogwyn y Barcut&#039;&#039;&#039; yw enw&#039;r clogwyn uwchben, ac i&#039;r de o, bentref Drws-y-coed, ac ar lethr ogleddol mynydd Y Garn. Ar ei uchaf, mae&#039;r mynydd h...&#039;</title>
		<link rel="alternate" type="text/html" href="https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Clogwyn_y_Barcut&amp;diff=10864&amp;oldid=prev"/>
		<updated>2021-02-15T14:50:17Z</updated>

		<summary type="html">&lt;p&gt;Crëwyd tudalen newydd yn dechrau gyda &amp;#039;&amp;#039;&amp;#039;&amp;#039;Clogwyn y Barcut&amp;#039;&amp;#039;&amp;#039; yw enw&amp;#039;r clogwyn uwchben, ac i&amp;#039;r de o, bentref &lt;a href=&quot;/wici/Drws-y-coed&quot; title=&quot;Drws-y-coed&quot;&gt;Drws-y-coed&lt;/a&gt;, ac ar lethr ogleddol mynydd &lt;a href=&quot;/wici/Y_Garn&quot; title=&quot;Y Garn&quot;&gt;Y Garn&lt;/a&gt;. Ar ei uchaf, mae&amp;#039;r mynydd h...&amp;#039;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;Tudalen newydd&lt;/b&gt;&lt;/p&gt;&lt;div&gt;&amp;#039;&amp;#039;&amp;#039;Clogwyn y Barcut&amp;#039;&amp;#039;&amp;#039; yw enw&amp;#039;r clogwyn uwchben, ac i&amp;#039;r de o, bentref [[Drws-y-coed]], ac ar lethr ogleddol mynydd [[Y Garn]]. Ar ei uchaf, mae&amp;#039;r mynydd hwn yn 347 metr uwchben lefel y môr. Yn uchel ar ddwy ystlys y clogwyn y mae olion tyllau treialu am fetelau, a chopr yn fwy na thebyg, yn dyddio&amp;#039;n ôl i ganol y 19g. o leiaf. Mae&amp;#039;r ddau dwll tua 8 metr o hyd.&amp;lt;ref&amp;gt;Gwefan Coflein: [https://www.coflein.gov.uk/en/site/287124/details/clogwyn-y-barcut-trial-mine-i] a [https://www.coflein.gov.uk/en/site/287126/details/clogwyn-y-barcut-trial-mine-ii]; cyrchwyd 15..2.2021&amp;lt;/ref&amp;gt;&lt;br /&gt;
&lt;br /&gt;
{{eginyn}}&lt;br /&gt;
==Cyfeiriadau==&lt;br /&gt;
{{cyfeiriadau}}&lt;br /&gt;
[[Categori:Mynyddoedd]]&lt;br /&gt;
[[Categori:Daearyddiaeth ffisegol]]&lt;br /&gt;
[[Categori:Mwyngloddio]]&lt;/div&gt;</summary>
		<author><name>Irion</name></author>
	</entry>
</feed>