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Outline of Investigational Work in Progress and Brief Summary of Prinicipal Results for the 4-year Period: 1931-1934. Soil Erosion Experiment No.4
Language: en
Pages: 32
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Categories: Erosion
Type: BOOK - Published: 1935 - Publisher:

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Language: en
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Authors: United States. Forest Service. California Region. Library
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Type: BOOK - Published: 1935 - Publisher:

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Catalogue of the Public Documents of the [the Fifty-third] Congress [to the 76th Congress] and of All Departments of the Government of the United States
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Soil Conservation
Language: en
Pages: 626
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