Category:Atwater-Quadragle: Revision history

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December 22, 2023

  • curprev 14:0714:07, December 22, 2023‎ Alan.Myers talk contribs‎ 1,927 bytes +1,927‎ Created page with "__NOTOC__ ==MINING IN THE ATWATER QUADRANGLE== Mining was only found in three sections in the Atwater Quadrangle. No maps have been found for these mines. Mine were only identified in the ISGS field notes by D. M. Collingwood in 1923. Seven of these mines worked the Herrin Coal, and one worked the Danville Coal. Only the Springfield coal seam was mined in this quadrangle. The coal was approximately 6 feet thick and ranged from 150 to 215 feet deep. Horsebacks and clay d..."
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