Category:Colchester-Quadrangle: Revision history

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    March 7, 2022

    • curprev 15:1715:17, March 7, 2022‎ Alan.Myers talk contribs‎ 4,014 bytes +4,014‎ Created page with "__NOTOC__ ==Mining in the Colchester Quadrangle== The Colchester Coal was mined in this area. The seam was thin, ranging from 1.5 to 3 feet thick. The coal was shallow in many..."
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