Search U.S. government technical reports digitized or harvested by TRAIL.
Concentration of bauxite for milling in the 50-ton Bureau of Mines Pilot Plant, Bauxite, Arkansas
Pilot-plant concentration of Arkansas aluminum ores
Progress report on pegmatite investigations in South Dakota:for fiscal year ended June 30, 1951
Petroleum sulfonate flotation of beryl
Progress report on pegmatite investigations in South Dakota for fiscal years 1952-53
Progress report on pegmatite investigations in South Dakota for fiscal years 1954-56