446 resultados para Illinois. Division of Soil and Water Conservation
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Mode of access: Internet.
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Title from cover.
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Includes bibliographical references.
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"DOWR/SPR/95-002."
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Mode of access: Internet.
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Study was made with the cooperation of U.S. Soil Conservation Service and North Carolina Dept. of Water Resources.
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"Conducted by University of Minnesota, Bureau of Biological Survey, Minnesota Department of Conservation."
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H. W. Avery, president.
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Mode of access: Internet.
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Mode of access: Internet.
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Prepared in cooperation with Missouri Agricultural Experiment Station.
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THIS IS PART 1; PARTS 2-3 HAVE CALL NUMBER: J60.I45 94th v.11
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Mode of access: Internet.
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Mode of access: Internet.
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Description based on: 1921; title from cover.