46 resultados para Soil erosion.


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Based upon a report by the Illinois State Water Survey.

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"The Bureau of Chemistry and Soils, in cooperation with the Texas Agricultural Experiment Station."

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Contribution from Forest Service.

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Contribution from Soil Conservation Service.

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Contribution from Soil Conservation Service.

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A study of soil erosion on the Honey Hollow creek watershed, Bucks County, Pennsylvania.

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A study of soil erosion on the Honey Hollow creek watershed, Bucks County, Pennsylvania.

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Cover title.

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"August 1997."

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Appendices (p. 1-14): A. Model state act for soil erosion and sediment control--B. Selected bibliography on sediment control.

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Description based on: 1984; title from cover.

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Title from cover.