Suggested Topics within your search.
Suggested Topics within your search.
Sols
Soils
177
Soil surveys
145
Études pédologiques
128
Soil conservation
44
Conservation
40
Soil-surveys
32
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by Held, R. Burnell, Clawson, Marion, 1905-1998
Baltimore, Published for Resources for the Future by the Johns Hopkins Press 1965
Baltimore, Published for Resources for the Future by the Johns Hopkins Press 1965
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Book
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by Lake, Greg
Chicago, Ill. : [Springfield, VA] : U.S. Environmental Protection Agency, Great Lakes National Program Office ; [National Technical Information Service, distributor], 1991
Chicago, Ill. : [Springfield, VA] : U.S. Environmental Protection Agency, Great Lakes National Program Office ; [National Technical Information Service, distributor], 1991
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Government Document
Book
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9
by Birkeland, Peter W.
New York, Oxford University Press, 1974
New York, Oxford University Press, 1974
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Book
10
by Berning, G. V.
[Washington, D.C.?] : The Service, 1988
[Washington, D.C.?] : The Service, 1988
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Government Document
Book
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by Gelderman, Frederick W.
Washington] U.S. Soil Conservation Service; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.], 1970
Washington] U.S. Soil Conservation Service; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.], 1970
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Government Document
Book
15
16
Use of soil-moisture and fruit-growth records for checking irrigation practices in citrus orchards /
by Taylor, C. A. (Colin Alexander), 1899-
Washington, D.C. : U.S. Dept. of Agriculture, 1937
Washington, D.C. : U.S. Dept. of Agriculture, 1937
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Government Document
Book
17
by Jepson, Hans G.
Washington, D.C. : U.S. Dept. of Agriculture, 1939
Washington, D.C. : U.S. Dept. of Agriculture, 1939
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Government Document
Book
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19
Chicago : Springfield, Va. : Great Lakes National Program Office, U.S. Environmental Protection Agency ; Available through National Technical Information Service, 1980
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Government Document
Conference Proceeding
Book
20
by Speir, Reginald, 1920-
[Washington] : U.S. Soil Conservation Service : [For sale by the Supt. of Docs., U.S. Govt. Print. Off.], 1967
[Washington] : U.S. Soil Conservation Service : [For sale by the Supt. of Docs., U.S. Govt. Print. Off.], 1967
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Government Document
Book