The Ohio Department of Natural Resources has produced a full-color map that shows the locations of abandoned mines (pdf). Ohio has thousands of historic abandoned mines, some dating to the 1800s.

There could be hundreds, maybe even thousands, of old mines in the state that were abandoned in the 200 year history of mining in the state, according to the Ohio Department of Natural Resources.

Underground tunnels have been the culprit in other Perry County sinkholes in recent years. In 2018, a sinkhole at Portie-Flamingo Road formed due to another abandoned railroad tunnel.That was a ...

Records that indicate which mines have polluted waterways are harder to track down, but 1,300 miles of streams or creeks have been polluted in Ohio because of water from coal mines, the data show.

In both Perry and Athens County, $2.36 million is being dedicated to the construction of 20 miles of trail through the Wayne National Forest that will ultimately reroute existing trails away from ...

Ben McCament, abandoned mine land program manager at the ODNR, says that between 1999 and 2018, the department spent approximately $32 million on 67 projects to treat AMD. “It’s an expensive ...

He said the bill provides $21 billion to address legacy pollution, including funding to clean up brownfield and superfund sites, reclaim abandoned mine lands, and plug orphan oil and gas wells.