Search U.S. government technical reports digitized or harvested by TRAIL.
Investigation of Colorado Minerals Co. calcite deposits, Archuleta and Hinsdale counties, Colo.
Investigation of the J.B. fluorite deposit, Beaver County, Utah
Investigation of the New Anniversary-Bucky Pegmatite, Gunnison County, Colo.
Bull Valley iron-ore deposits, Washington County, Utah
Methods in driving the 5490 railroad tunnel, Kennecott Copper Corp., Salt Lake County, Utah
Mineralogical investigation of beryllium-bearing tuff, Honeycomb Hills, Juab County, Utah