309 resultados para Soil conservation projects


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"August 1973."

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Preliminary edition; reissued in 1938 with title: Native woody plants of the United States.

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Issued August 1977.

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"September 1977."

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"Prepared by Surface Water Branch, Water Resources Division, Geological Survey, for Engineering Division, Soil Conservation Service, U.S. Department of Agriculture, as Project no. 4."

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Cover title: Summary of mountain precipitation measurements in Utah ... 1930-78.

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Mode of access: Internet.

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"This summary supersedes all previous Oregon summaries including the last one issued June 1, 1963."

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Description based on: 1986.

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Description based on: Water year 1986.

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Folded map in pocket.

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"April 1960."

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Study was made with the cooperation of U.S. Soil Conservation Service and North Carolina Dept. of Water Resources.