- Water Barrel Battle at Bituminous Coal Show in Morgantown, W. Va.
- 'Water Barrel Battles were one of the chief attractions of the 1969 Bituminous Show festivities last week. Here the top team battles for the championship.'
- Mining Bituminous Coal, Pa.
- "The miner is using a compressed-air drill to drive a hole in the lower edge of the working face of the coal vein."