497 resultados para shale
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At head of title: ... Department of commerce. Herbert Hoover, secretary. Bureau of mines. Scott Turner, director.
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"U.S. AEC Contract No. AT-(40-1)-1337".
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"DOE/EV-0078."
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"DOE/METC-121."
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"DOE/METC-118."
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Mode of access: Internet.
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"This report concerns work done on behalf of the Division of Raw Materials of the U.S. Atomic Energy Commission."
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Work performed by the Columbia University Mineral Beneficiation Laboratory under Contract AT(49-1)-621.
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"Contract No. AT(49-1)-621."
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"Contract No. AT(49-1)-621."
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Mode of access: Internet.
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Cover title says "from ... ERA Laramie Energy Research Center."
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Thesis (M.S.)--University of California, Berkeley, 1922.
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"Grant no. R806156."
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Reuse of record except for individual research requires license from Congressional Information Service, Inc.