Category:Lacon-Quadrangle: Revision history

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    October 27, 2022

    • curprev 09:3309:33, October 27, 2022Alan.Myers talk contribs 3,014 bytes +3,014 Created page with "__NOTOC__ ==Mining in the Lacon Quadrangle== Most of the mines in Marshall County were small drift mines driven into the Danville Coal off the bluffs along the Illinois River. These were room and pillar mines that were often mined only in winter, and served local needs. Most of the mines worked the Danville Coal, which was generally between 3 and 4 feet thick. Depths ranged from as little as 10 feet to over 80 feet, depending on the distance into the hillside the mine ex..."