WKBN Youngstown on MSN8 天
How to know if you are living over an old mine
Both the Ohio Department of Natural Resources and the Pennsylvania Department of Environmental Protection provide maps with ...
TribLIVE.com1 个月
Coal, once king in Pennsylvania, leaves behind abandoned mines that pose concerns
That Pennsylvania coal provided warmth and light in ... “While DEP has made strides inventorying these abandoned mine land features, digitizing maps and completing projects … the need far ...