Variation in chemical composition of soils.

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Bibliographic Details
Online Access:	Full Text (via ProQuest)
Corporate Author:	United States. Department of Agriculture. Office of the Secretary
Other Authors:	Robinson, W. O. (William Orrin), 1884-, Fry, William H. (William Henry), 1888-1932
Format:	Government Document eBook
Language:	English
Published:	Washington : U.S. GPO, 1917.
Series:	Agric. Dept. Bull. No. 551.
Subjects:	Soil conservation. Chemicals.

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Full Text (via ProQuest)

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Call Number:	A1.3-551.2
A1.3-551.2	Available