Collection
Serial/Series Title
U.S. Bureau of Chemistry and Soils. Soil survey report ; series 1924 ; no. 19
1
U.S. Bureau of Chemistry and Soils. [Soil survey report] ; series 1923, no. 38
1
U.S. Bureau of Chemistry and Soils. [Soil survey report] ; series 1925, no. 13
1
U.S. Dept. of Agriculture. Bureau of Chemistry and Soils. Soil survey report , series 1926, no. 3
1
Year
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