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United States Soil Management Support Services
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1992
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[Washington, D.C.] : Agency for International Development, U.S. Dept. of Agriculture, Soil Conservation Service, Soil Management Support Services, [1992]
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213371717
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1990
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[Washington, D.C.] : Agency for International Development, U.S. Dept. of Agriculture, Soil Management Support Services, [1990]
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213385855
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1987
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[Washington, D.C.] : Agency for International Development, U.S. Dept. of Agriculture, Soil Management Support Services, [1987]
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Add to List
213385943
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1985
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Keys to soil taxonomy : alfisols, aridisols, entisols, histosols, inceptisols, mollisols, oxisols, spodosols, ultisols, vertisols, soil family / Soil
[Washington, D.C.] : Agency for International Development, U.S. Dept. of Agriculture, Soil Management Support Services, [1985]
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213386064
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1983
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Keys to soil taxonomy : alfisols, aridisols, entisols, histosols, inceptisols, mollisols, oxisols, spodosols, ultisols, vertisols, soil family / Soil
[Washington, D.C.] : U.S. Dept. of Agriculture, Agency for International Development, Soil Management Support Services, 1983.
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Add to List
218223879
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