FALL OF ROOF OR BACK at Perry County Coal, LLC.
Continuous miner was in the #6 entry and was mining cut #30 when a rock approximately 7 feet thick x 18 feet wide x an undetermined length fell on the continuous miner. The continuous miner was unable to tram out from underneath the rock and a retriever was utilized to pull the miner out from under the rock.
U.S. Mine Safety and Health Administration