Category:Dunlap-Quadrangle: Revision history

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    October 26, 2022

    • curprev 14:2114:21, October 26, 2022‎ Alan.Myers talk contribs‎ 1,881 bytes +1,881‎ Created page with "__NOTOC__ ==Mining in the Dunlap Quadrangle== Two seams were mined in the Dunlap Quadrangle, the Herrin and Springfield Coals. The Herrin Coal was mined in a small area northeast of the town of Kickapoo, generally before 1937 in local mines with relatively low production. The mines in the Springfield Coal were more extensive. Some were close to Peoria (near the southeastern corner of the quadrangle) or Edwards (near the southwestern corner of the quadrangle), as well as..."
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