80 resultados para Conservation Area Networks


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Mode of access: Internet.

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"Mimeographed for use of technical workers."

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"Reports dealing with ground-water conditions in New York": p. 91-93.

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Cover-title.

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"In cooperation with Utah Agricultural Experiment Station."

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Includes indexes.

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Prepared in cooperation with Washington Agricultural Experiment Station.

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Item 102-B-22.

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"November, 1943."

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"September 1949"

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Examines a 1,731 square mile area in southern Illinois which has been designated a state Resource Rich Area.