Category:Lovington-Quadrangle: Revision history

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    October 27, 2022

    • curprev 10:5110:51, October 27, 2022‎ Alan.Myers talk contribs‎ 1,603 bytes +1,603‎ Created page with "__NOTOC__ ==Mining in the Lovington Quadrangle== The Herrin Coal was mined at Lovington in one of the deepest mines in the state (900 feet). The coal was very thick, up to 9 feet in many areas, and mining conditions were good, with a stable roof. Mining difficulties were from underclay that was up to 12 feet thick and the resultant squeezes, and gas at the working face. Two fatalities were caused by the methane, but no large explosions occurred. ==Map and Directory PDF..."
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