Category:Crab Orchard-Quadrangle: Revision history

Diff selection: Mark the radio buttons of the revisions to compare and hit enter or the button at the bottom.
Legend: (cur) = difference with latest revision, (prev) = difference with preceding revision, m = minor edit.

    October 26, 2022

    • curprev 11:0911:09, October 26, 2022‎ Alan.Myers talk contribs‎ 2,242 bytes +2,242‎ Created page with "__NOTOC__ ==Mining in the Crab Orchard Quadrangle== Most of the mining in the Crab Orchard Quadrangle occurred in the Herrin and Springfield Coals, but some small mines and large surface mines also mined the Houchin Creek, Dekoven and Davis Coals that are near the surface south of the Herrin and Springfield outcrops. Two small mines also mined the Mt. Rorah Coal in the southern half of the quadrangle. In the northern part of the quadrangle, some Danville Coal was locally..."
Retrieved from "https://ilmineswiki.web.illinois.edu/wiki/Category:Crab_Orchard-Quadrangle"