UNITY TOWNSHIP, Pa. (KDKA) -- The abandoned mine where search and rescue efforts are underway to find a missing woman who fell through a sinkhole is becoming compromised and unsafe, Pennsylvania ...

UNITY TOWNSHIP, Pa. (KDKA) -- The abandoned mine where search and rescue efforts are underway to find a missing woman who fell through a sinkhole is becoming compromised and unsafe, Pennsylvania State ...

UNITY TOWNSHIP, Pa. (KDKA) -- The abandoned mine where search and rescue efforts are underway to find a missing woman who fell through a sinkhole is becoming compromised and unsafe, Pennsylvania ...