965 resultados para underground


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"Issued: May 1, 1963"--Cover.

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Prepared for U.S. Atomic Energy Commission.

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Prepared for U.S. Atomic Energy Commission.

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At head of title: "Project Gnome" ; "PNE-150F."

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"This research was supported by the Advanced Research Projects Agency of the Department of Defense and was monitored by the Bureau of Mines ..."

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Mode of access: Internet.

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At head of title: Engineering and design.

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Technical report documentation page title: Bibliography of tunneling literature.