160 resultados para INCA surveys
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Description based on: May 1981; title from cover.
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Cover title.
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From Economic geology, Vol. 6, 1911.
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Cover title.
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Mode of access: Internet.
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Mode of access: Internet.
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Mode of access: Internet.
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Mode of access: Internet.
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Supplement reprinted from the Transactions of the American institute of mining engineers, v. 8, p. 466-478.
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Mode of access: Internet.
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Mode of access: Internet.
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"Read November 10th and 29th, 1862."
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Chiefly tables.
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Mode of access: Internet.
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Mode of access: Internet.