982 resultados para Youth Conservation Corps (U.S.)
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Mode of access: Internet.
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Mode of access: Internet.
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"This work was supported by a grant from the National Science Foundation."
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"April 23, 1962."
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"SW-779"--p. 2 of cover.
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EPA pub. number SW-10P, per NSCEP's publication title list.
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At head of title: U.S. Dept. of the Interior.
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Mode of access: Internet.
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Raymond H. Burke, chairman of subcommittee.
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Mode of access: Internet.
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"Sponsored by the Resource Conservation Committee, the Interagency Committee."
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Mode of access: Internet.
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Bibliographical footnotes.
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At head of title: War Department, Corps of Engineers, Mississippi River Commission.
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Cover title.