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	<id>https://cof.canolfanuwchgwyrfai.cymru/index.php?action=history&amp;feed=atom&amp;title=Ponciau_Chwarel_yr_Eifl</id>
	<title>Ponciau Chwarel yr Eifl - Hanes golygu</title>
	<link rel="self" type="application/atom+xml" href="https://cof.canolfanuwchgwyrfai.cymru/index.php?action=history&amp;feed=atom&amp;title=Ponciau_Chwarel_yr_Eifl"/>
	<link rel="alternate" type="text/html" href="https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Ponciau_Chwarel_yr_Eifl&amp;action=history"/>
	<updated>2026-05-16T16:12:24Z</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=Ponciau_Chwarel_yr_Eifl&amp;diff=9796&amp;oldid=prev</id>
		<title>Irion am 21:02, 3 Rhagfyr 2020</title>
		<link rel="alternate" type="text/html" href="https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Ponciau_Chwarel_yr_Eifl&amp;diff=9796&amp;oldid=prev"/>
		<updated>2020-12-03T21:02:16Z</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 22:02, 3 Rhagfyr 2020&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;Wyth o &amp;#039;&amp;#039;&amp;#039;bonciau&amp;#039;&amp;#039;&amp;#039; mawrion geir - yn swyddogol, felly - yn [[Chwarel yr Eifl]], [[Trefor]]. Dwy bonc oedd i&amp;#039;r chwarel gyntaf ar [[Chwarel Craig y Farchas|Graig y Farchas]], ond mae&amp;#039;r chwarel honno o&amp;#039;r golwg ers cyn cof dan y Domen Fawr yn y Gorllwyn.&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;Wyth o &amp;#039;&amp;#039;&amp;#039;bonciau&amp;#039;&amp;#039;&amp;#039; mawrion geir - yn swyddogol, felly - yn [[Chwarel yr Eifl]], [[Trefor]]. Dwy bonc oedd i&amp;#039;r chwarel gyntaf ar [[Chwarel Craig y Farchas|Graig y Farchas]], ond mae&amp;#039;r chwarel honno o&amp;#039;r golwg ers cyn cof dan y Domen Fawr yn y Gorllwyn.&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;Yng nghofnodion y [[Cwmni Ithfaen Trefor|Cwmni]], yn Saesneg yr enwir yr wyth bonc sydd i&#039;w gweld ar ochr ogleddol [[&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Mynydd &lt;/del&gt;Garnfor]] (Mynydd Gwaith ar lafar) a hynny&#039;n ffurfiol ac oeraidd :&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;Yng nghofnodion y [[Cwmni Ithfaen Trefor|Cwmni]], yn Saesneg yr enwir yr wyth bonc sydd i&#039;w gweld ar ochr ogleddol &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;mynydd &lt;/ins&gt;[[Garnfor]] (Mynydd Gwaith ar lafar) a hynny&#039;n ffurfiol ac oeraidd :&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;0 Bank / 1 Bank / 2 Bank / 3 Bank / 4 Bank / 5 Bank / 6 Bank / 7 Bank / 8 Bank&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;0 Bank / 1 Bank / 2 Bank / 3 Bank / 4 Bank / 5 Bank / 6 Bank / 7 Bank / 8 Bank&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=Ponciau_Chwarel_yr_Eifl&amp;diff=8650&amp;oldid=prev</id>
		<title>Irion am 08:22, 21 Ebrill 2020</title>
		<link rel="alternate" type="text/html" href="https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Ponciau_Chwarel_yr_Eifl&amp;diff=8650&amp;oldid=prev"/>
		<updated>2020-04-21T08:22:52Z</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 09:22, 21 Ebrill 2020&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;Wyth o bonciau mawrion geir - yn swyddogol, felly - yn Chwarel yr Eifl, Trefor. Dwy bonc oedd i&#039;r chwarel gyntaf ar Graig y Farchas, ond mae&#039;r chwarel honno o&#039;r golwg ers cyn cof dan y Domen Fawr yn y Gorllwyn.&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;Wyth o &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&#039;&#039;&#039;&lt;/ins&gt;bonciau&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&#039;&#039;&#039; &lt;/ins&gt;mawrion geir - yn swyddogol, felly - yn &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[&lt;/ins&gt;Chwarel yr Eifl&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;]]&lt;/ins&gt;, &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[&lt;/ins&gt;Trefor&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;]]&lt;/ins&gt;. Dwy bonc oedd i&#039;r chwarel gyntaf ar &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[Chwarel Craig y Farchas|&lt;/ins&gt;Graig y Farchas&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;]]&lt;/ins&gt;, ond mae&#039;r chwarel honno o&#039;r golwg ers cyn cof dan y Domen Fawr yn y Gorllwyn.&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;Yng nghofnodion y Cwmni, yn Saesneg yr enwir yr wyth bonc sydd i&#039;w gweld ar ochr ogleddol Mynydd Garnfor (Mynydd Gwaith ar lafar) a hynny&#039;n ffurfiol ac oeraidd :&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;Yng nghofnodion y &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[&lt;/ins&gt;Cwmni &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Ithfaen Trefor|Cwmni]]&lt;/ins&gt;, yn Saesneg yr enwir yr wyth bonc sydd i&#039;w gweld ar ochr ogleddol &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[&lt;/ins&gt;Mynydd Garnfor&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;]] &lt;/ins&gt;(Mynydd Gwaith ar lafar) a hynny&#039;n ffurfiol ac oeraidd :&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;0 Bank / 1 Bank / 2 Bank / 3 Bank / 4 Bank / 5 Bank / 6 Bank / 7 Bank / 8 Bank&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;0 Bank / 1 Bank / 2 Bank / 3 Bank / 4 Bank / 5 Bank / 6 Bank / 7 Bank / 8 Bank&lt;/div&gt;&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-l38&quot;&gt;Llinell 38:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Llinell 38:&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;Bonc Newydd         1,100 troedfedd&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;Bonc Newydd         1,100 troedfedd&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 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 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;==Cyfeiriadau==&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;{{cyfeiriadau}}&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;[[Categori:Chwarelydda]]&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;[[Categori:Chwareli ithfaen]]&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;[[Categori:Enwau lleoedd]]&lt;/ins&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=Ponciau_Chwarel_yr_Eifl&amp;diff=8632&amp;oldid=prev</id>
		<title>Geraint: Crëwyd tudalen newydd yn dechrau gyda &#039;Wyth o bonciau mawrion geir - yn swyddogol, felly - yn Chwarel yr Eifl, Trefor. Dwy bonc oedd i&#039;r chwarel gyntaf ar Graig y Farchas, ond mae&#039;r chwarel hon...&#039;</title>
		<link rel="alternate" type="text/html" href="https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Ponciau_Chwarel_yr_Eifl&amp;diff=8632&amp;oldid=prev"/>
		<updated>2020-04-20T16:50:14Z</updated>

		<summary type="html">&lt;p&gt;Crëwyd tudalen newydd yn dechrau gyda &amp;#039;Wyth o bonciau mawrion geir - yn swyddogol, felly - yn Chwarel yr Eifl, Trefor. Dwy bonc oedd i&amp;#039;r chwarel gyntaf ar Graig y Farchas, ond mae&amp;#039;r chwarel hon...&amp;#039;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;Tudalen newydd&lt;/b&gt;&lt;/p&gt;&lt;div&gt;Wyth o bonciau mawrion geir - yn swyddogol, felly - yn Chwarel yr Eifl, Trefor. Dwy bonc oedd i&amp;#039;r chwarel gyntaf ar Graig y Farchas, ond mae&amp;#039;r chwarel honno o&amp;#039;r golwg ers cyn cof dan y Domen Fawr yn y Gorllwyn.&lt;br /&gt;
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Yng nghofnodion y Cwmni, yn Saesneg yr enwir yr wyth bonc sydd i&amp;#039;w gweld ar ochr ogleddol Mynydd Garnfor (Mynydd Gwaith ar lafar) a hynny&amp;#039;n ffurfiol ac oeraidd :&lt;br /&gt;
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0 Bank / 1 Bank / 2 Bank / 3 Bank / 4 Bank / 5 Bank / 6 Bank / 7 Bank / 8 Bank&lt;br /&gt;
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Enwau Cymraeg roddwyd arnynt gan y chwarelwyr :&lt;br /&gt;
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(0 Bank) Bonc Dwll. Rhywle rhwng Bonc Dwll a Bonc Isa, yn gynnar iawn yn hanes y Gwaith, bu unwaith bonc arall heb rif arni. Yr enw roddwyd ar honno oedd Bonc Bennog, ond fe&amp;#039;i llyncwyd maes o law gan Bonc Dwll.&lt;br /&gt;
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(1 Bank) Bonc Isa&lt;br /&gt;
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(2 Bank) Bonc Ganol&lt;br /&gt;
 &lt;br /&gt;
(3 Bank) Bonc Drydydd&lt;br /&gt;
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(4 Bank) Bonc Bach&lt;br /&gt;
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(5 Bank) Bonc Newydd, a lyncodd maes o law Bonc Gynffon, a thyfu i fod y bonc fwyaf yn yr holl chwarel&lt;br /&gt;
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(6 Bank) Bonc Gynffon&lt;br /&gt;
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(7 Bank) Bonc Seithfed&lt;br /&gt;
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(8 Bank) Bonc Wythfed&lt;br /&gt;
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Dyma uchder chwech o&amp;#039;r ponciau uwch lefel y môr :&lt;br /&gt;
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Bonc Dwll             560 troedfedd&lt;br /&gt;
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Bonc Isa              640 troedfedd&lt;br /&gt;
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Bonc Ganol            730 troedfedd&lt;br /&gt;
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Bonc Drydydd          837 troedfedd&lt;br /&gt;
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Bonc Bach           1,020 troedfedd&lt;br /&gt;
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Bonc Newydd         1,100 troedfedd&lt;/div&gt;</summary>
		<author><name>Geraint</name></author>
	</entry>
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