Category:Christopher-Quadrangle: Revision history

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February 18, 2022

June 19, 2020

  • curprev 14:4914:49, June 19, 2020‎ Alan.Myers talk contribs‎ 3,127 bytes +3,127‎ Created page with "__NOTOC__ ==Mining in the Chillicothe Quadrangle== Most of the mines in Marshall County were small drift mines driven into the Danville Coal off the bluffs along the Illinois..."
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