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Soil survey of Oceana County, Michigan
C. H. Wonser · [U.S.] Bureau of Chemistry and Soils ; for sale by the Supt. of Docs. [U.S. Govt. Print. Off.]
47 sayfa · 1938
Soil surveys / Soils / Maps
Soil survey, Mason County, Michigan
C. H. Wonser · U.S. Dept. of Agriculture ; for sale by the Supt. of Docs., [U.S. Govt. Print. Off.]
67 sayfa · 1939
Soil surveys / Soils / Maps
Soil survey, Pickens County, South Carolina
A. E. Shearin, C. S. Simmons, C. H. Wonser, United States. Bureau of Plant Industry, South Carolina Agricultural Experiment Station · U.S. Govt. Print. Off.
54 sayfa · 1943
Soil surveys / Soils
Soil survey of Franklin county, North Carolina
W. A. Davis, E. F. Goldston, C. H. Wonser, United States. Bureau of Chemistry and Soils, North Carolina. Department of Agriculture, North Carolina Agricultural Experiment Station · U.S. Govt. Print. Off.
24 sayfa · 1936
Soil surveys / Soils / Maps