167 resultados para Geological surveys.
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Includes the "Annual report of the Geological Survey of India," 1867-
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Vol. 8 edited by Josua Lindahl, state geologist.
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Description based on: 1539.
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"NOAA--S/T 80-98"--P. [4] of cover.
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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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Cover title.
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Mode of access: Internet.
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Mode of access: Internet.
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Each no. consists of a statistical report and a separate summary report,
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Description based on: May 1981; title from cover.
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Mode of access: Internet.
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Cover title.
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Title from cover.