Hearings on Various Stockpile Commodities H.R. 13368-bismuth; H.R. 13365-chromite, Metallurgical Grade; H.R. 13578-rhodium; H.R. 13662-refractory Grade Bauxite; H.R. 13580 Amosite Asbestos; H.R. 13367-acid Grade Fluorspar; H.R. 13371-phlogopite Mica; H.R. 13373 Moscovite Mica; H.R. 13579-thorium; H.R. 13364, H.R. 12412, H.R. 13569, H.R. 13570 Platinum; H.R. 13663 Ruthenium; H.R. 13774-vanadium; H.R. 13369-molybdenum; H.R. 13661-battery Grade Synthetic Manganese Dioxide; H.R. 13320 Industrial Diamond Stones; H.R. 13372-crude Silicon Carbide; H.R. 13370-crude Aluminum Oxide; H.R. 12694-Jamaica and Surinam Type Bauxite, Before Subcommittee No. 1 of the Committee on Armed Services, House of Representatives, Eighty-ninth Congress, Second Session, March 21, 22, 23, and 24, 1966