Category:Enfield-Quadrangle: Revision history

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    October 26, 2022

    • curprev 14:5114:51, October 26, 2022‎ Alan.Myers talk contribs‎ 1,855 bytes +1,855‎ Created page with "__NOTOC__ ==Mining in the Enfield Quadrangle== Mining in the Enfield Quadrangle is an extension of mining from the Norris City Quadrangle (directly south). The Herrin Coal was mined at a depth of 640 feet. This depth may have been the major factor that kept other operators from mining in the area, when thicker coal was readily available at less depth. ==Map and Directory PDF Download== [https://wikiimage.isgs.illinois.edu/ilmines/webfiles/topo-mines/Enfield.pdf Coal Min..."
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