Category:Walsh-Quadrangle: Revision history

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    October 27, 2022

    • curprev 15:2015:20, October 27, 2022‎ Alan.Myers talk contribs‎ 1,928 bytes +1,928‎ Created page with "__NOTOC__ ==Mining in the Walsh Quadrangle== According to Randolph County Notes, mining began in the Walsh Quadrangle around 1840. The Herrin Coal was very shallow near the subcrop, and west and north of the Herrin subcrop, another coal was very near the surface. Coal could be obtained by scraping off the thin layer of soil in some places or by drift entrances to mines along streams. Some of the small mines are known to have had bad roof conditions, most likely as a resu..."
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