Early Leaders of the Soil Survey
Profiles in the History of the U.S. Soil Survey, 2002, p.19-64
Copyright © 2002 Iowa State Press ;ISBN: 9780813827599 ;ISBN: 0813827590 ;EISBN: 0470376953 ;EISBN: 9780470376959 ;DOI: 10.1002/9780470376959.ch2
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