78 resultados para Ravine Erosion
Resumo:
Contribution from Forest Service.
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Contribution from Soil Conservation Service.
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Includes index.
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Cover title.
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Contribution from Soil Conservation Service.
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Cover title.
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Caption title.
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"August 25, 1960."
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Riley J. Wilson, chairman.
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Bibliographical foot-notes.
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Ink on linen; with location, type of plantings along ravine; number "5" at lower right; instructions on planting; signed. 95x58 cm. Scale: 1"=10' [from photographic copy by Lance Burgharrdt]
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"August 1997."
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"October 1968."