993 resultados para US Geological Survey
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Atlases accompany v. 1, pt. 1; v. 2; and v. 5-7.
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Vol. 8 edited by Josua Lindahl, state geologist.
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Description based on: 1539.
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Mode of access: Internet.
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"May 20, 1987."
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Extracted from U.S. Geological survey. Bulletin no. 227.
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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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Some nos. published in House Document series.
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Shipping list no.: 86-886-P.
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Caption title.
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At head of title: List F.
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Bibliography of agriculture