Search U.S. government technical reports digitized or harvested by TRAIL.
Coal-dust hazards in industrial plants
Small hose streams for fighting mine fires
Explosion Hazards From the Use of Pulverized Coal at Industrial Plants
Coal-mine royalties and leasing conditions in Macoupin, Sangamon, and Montgomery counties, District VII, Illinois
Coal-mining royalties and leasing conditions in Williamson and Franklin counties, Illinois (District no. VI)
Coal-mining royalties and leasing conditions in Vermilion and Edgar counties, Illinois (District VIII)