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glenn w dittmar
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Soil Survey of Gillespie County, Texas
John E. Allison, Glenn W. Dittmar, James L. Hensell · Yayınevi bilinmiyor
184 sayfa · 1975
Gillespie County (Tex.)
Soil Survey of Sterling County, Texas
Ervin L. Blum, Glenn W. Dittmar, Luther G. Geiger, United States. Soil Conservation Service, Michael L. Deike, Wayburn Dale Mitchell, Davie L. Richmond · Yayınevi bilinmiyor
76 sayfa · 1966
Soil surveys
Soil Survey of Eastland County, Texas
DeWayne Williams, James L. Hensell, Joe D. Moore, Charles M. Thompson, Glenn W. Dittmar, Winfred C. Coburn, United States. Soil Conservation Service, Edward R. Harris, Frank B. Taylor, Jerry L. Jacobs · Yayınevi bilinmiyor
92 sayfa · 1966
Soil surveys