Conservation of the soil /

Bibliographic Details
Main Author:	Gustafson, A. F. (Axel Ferdinand), 1880-1942
Format:	Book
Language:	English
Published:	New York, London : McGraw-Hill, 1937.
Series:	McGraw-Hill publications in the agricultural and botanical sciences.
Subjects:	Erosion. Soils > United States. Soil conservation.

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