CLEVELAND, OH (WOIO) - The partial collapse of an old abandoned mine in ... research and secure all of Ohio's old mines. There is a pretty expansive interactive map that shows some of the ...

Ohio has thousands of historic abandoned mines, some dating to the 1800s. ODNR also has detailed maps of the layout of more than 25,000 mines. Abandoned mines can cause sinkholes that damage ...

MINERAL RIDGE, Ohio -- When Al ... coal companies to file mine maps, said Ann Harris, a retired Youngstown State University geology professor and an expert on abandoned mines.

Ohio's Abandoned Mine Land Inventory System documented more than 4,300 abandoned underground mines a decade ago. But officials also say there are probably more, since many mines were started before ...

A map from the Ohio Department of Natural Resources show most of the known abandoned mines are concentrated in the eastern portion of Ohio.