The five active mines within Missouri's Mark Twain National Forest have operated in the area for over 50 years, according to ...

THE MINES OF MISSOURI. Share full article Jan. 10, 1875 The New York Times Archives ...

The mines are a source of lead, zinc and copper, with applications ranging from car batteries to galvanised steel.

Currently, there are around 10,800 acres in Missouri’s inventory that have yet to be reclaimed. Prior to the new funding, the state had completed projects to reclaim 5,034 acres of coal mines.

Springfield Coal & Mine Co. No. 4 Mine operated from before 1881 — the exact startup date has been lost — to 1909, according to an update of undermined areas of the state released by the ...