BOOKQUE

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Investigations in Erosion Control and the Reclamation of Eroded Land at the Upper Mississippi Valley Conservation Experiment Station Near La Crosse, Wis. 1933-43
United States. Department of Agriculture , F. G. Bell , A. G. Mccall , O. E. Hays
· 1949
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Investigations in Erosion Control and the Reclamation of Eroded Land at the Northwest Appalachian Conservation Experiment Station, Zanesville, Ohio, 1934 - 42
Harold L. Borst , United States. Department of Agriculture , Frederic Gladstone Bell , Arthur Gillett McCall , Ohio Agricultural Experiment Station
· 1945
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Investigations in Erosion Control and the Reclamation of Eroded Land at the Upper Mississippi Valley Conservation Experiment Station, Near La Crosse, Wis., 1933-34
O. E. Hays , A. G. McCall , Forest G. Bell
· 1949
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Investigations in Erosion Control and the Reclamation of Eroded Land at the Palouse Conservation Experiment Station, 1931 - 42
Glenn Maurice Horner , Arthur Gillett McCall , Forest G. Bell , Washington Agricultural Experiment Station
· 1944