Context

Context of Stockpile and Accessibility of Strategic and Critical Materials to the U.S. in Time of War : hearings before the United States Senate Committee on Interior and Insular Affairs, Special Subcommittee on Minerals, Materials, and Fuels Economics, Eighty-Third Congress, second session, on Sept. 21, 22, Oct. 25, Nov. 17, 18, 1954, Part 11, Synthesis, Substitutions, and Replacements of Scarce Strategic Materials
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