90 resultados para Southwest Piauí
em University of Michigan
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"November 1986."
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Gentleman posing by lamppost
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Text in English or Spanish.
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"March 1970."
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Reproduced from type-written copy.
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Bibliography: p. 52-60 (1st group) p. 47-48 (2d group)
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Caption title.
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Bibliography: p. 226-241.
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Mode of access: Internet.
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Transportation Department, Office of University Research, Washington, D.C.
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Cover title.
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Part of the Salt Wash sandstone outcrop on the southwest rim of the Lukachukai Mountains is strongly mineralized in cross-bedded, channel sandstone. The deposits are opposite the strongly mineralized belt on the northeast rim. A north to northeast ore trend is possibly related to the original Salt Wash stream system.
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Mode of access: Internet.
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Includes index.