174 resultados para Mineral resources
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Mode of access: Internet.
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"List of authors and works referred to in the text": p. 483-486.
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"Special publication."
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Includes bibliographies.
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Special publication.
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Mode of access: Internet.
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Title varies slightly
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Text is a preprint from the U.S. Bureau of Mines' Minerals yearbook.
USGS geochemical studies outline mineral potential and environmental hazards in southeastern Oregon.
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Mode of access: Internet.