354 resultados para Washington Geological Survey
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No. 4 issued 1951. No. 5 issued 1950.
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Paged continuously.
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On geology, resources, and population; with summary data on distances and rations.
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Examination of the forest conditions was made under the joint supervision of the Geological survey of North Carolina, of the Bureau of Forestry of the Department of Agriculture, and of the U. S. Geological Survey.
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September 26, 1959.
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"October 20, 1962."
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September 22, 1962.
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September 13, 1958.
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May 9, 1953.
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April 12, 1958.
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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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Mode of access: Internet.