Search U.S. government technical reports digitized or harvested by TRAIL.
Underground storage of natural gas in coal-mining areas
Hydraulic fracture treatments in Glade and Clarendon oil reservoirs, Warren County, Pa.
Ash utilization :proceedings: Third International Ash Utilization Symposium. Sponsored by National Coal Association, Edison Electric Institute, American Public Power Association, National Ash Association, and Bureau of Mines, Pittsburgh, Pa., March 13-14, 1973