Category:Kewanee North-Quadrangle: Revision history

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October 27, 2022

  • curprev 09:0409:04, October 27, 2022‎ Alan.Myers talk contribs‎ 3,132 bytes +3,132‎ Created page with "__NOTOC__ ==Mining in the Kewanee North Quadrangle== Coal has been mined near the town of Kewanee since prior to 1865, mostly in the Herrin seam. The Herrin Coal is about four feet thick in this area, and is exposed at the surface in many of the stream valleys. Many mining companies took advantage of the coal’s proximity to the surface and drove slope and drift mines into the coal from the surface. Most of the mines were small and operated only a few years. The Herrin..."
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