110 resultados para ORE-DEPOSITS


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At head of title: Imperial Mineral Resources Bureau.

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At head of title: Imperial Mineral Resources Bureau.

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Mode of access: Internet.

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"Index": p. 2 of cover.

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Bibliography: p. 20-22.

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Reprint. Originally published: London : Geological Society of London. (Geol. trans. 2nd series ; v. 5).

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At head of title: 20th Congress, 2d session. In Senate of the United States. [Doc. No.] 92.

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At head of title: 22d Congress, 1st session. In Senate of the United States.

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"New York, N.Y. February 13, 1952"--V. 3.