Washington, DC: United States Geological Survey/USGS/Government Printing Office/GPO, 1970. Soft cover. Strip mining of coal in the Beaver Creek basin in south-central Kentucky significantly increased the acidity and meralization of surface and ground water and increased the sediment content of streams in the mined area. 80 pages with, photographs, maps..... More

Washington, DC: United States Geological Survey/USGS/Government Printing Office/GPO, 1970. Soft cover. Strip mining of coal in the Beaver Creek basin in south-central Kentucky significantly increased the acidity and meralization of surface and ground water and increased the sediment content of streams in the mined area. 80 pages with, photographs, maps..... More

Washington, DC: United States Geological Survey/USGS/Government Printing Office/GPO, 1920. Soft cover. The seven papers include; A] The Farnham Anticline, Carbon County, Utah; B] Oil Shale in Western Montana, Southeastern Idaho, and Adjacent parts of Wyoming and Utah; C] Peat in the Dismal Swamp, Virginia and North Carolina; D] Oil in..... More