At head of title: U.S. Department of Agriculture, Bureau of Soils.Mode of access: Internet
At head of title: U.S. Department of Agriculture, Bureau of Soils."Advance sheets--Field operations ...
At head of title: U.S. Department of Agriculture. Bureau of SoilsMode of access: Internet
Map on folded sheet inserted.At head of title: U.S. Department of Agriculture, Bureau of Soils.Mode ...
At head of title: U.S. Dept. of Agriculture. Bureau of Chemistry and Soils. In cooperation with the ...
At head of title: United States Dept. of Agriculture, Bureau of Soils ... in cooperation with the Un...
Prepared by the U.S. Soil Conservation Service in cooperation with Michigan Agricultural Experiment ...
"Advance sheets - Field operations of the Bureau of soils, 1922."At head of title: U.S. Department o...
[Prepared] in cooperation with the Michigan Agricultural Experiment Station and the Michigan Dept. o...
"In cooperation with Michigan Agricultural Experiment Station."Cover title.Bibliography: p. 137-138....
At head of title: United States Department of Agriculture. Bureau of Chemistry and Soils. In coopera...
Cover title.[Advance sheets - Field operations of the Bureau of Soils, 1924]Mode of access: Internet
cover-title.In cooperation with Michigan Agricultural experiment station."Literature cited": p. 47.M...
"Survey ... made cooperatively by the Soil Conservation Service and the Michigan Agricultural Experi...
"Series 1929, number 24."At head of title: United States Dept. of Agriculture.Mode of access: Intern...
"Advance sheets--Field operations of the Bureau of Soils, 1903."At head of title: U.S. Department of...
At head of title: U.S. Department of Agriculture, Bureau of Soils."Advance sheets--Field operations ...
At head of title: U.S. Department of Agriculture. Bureau of SoilsMode of access: Internet
Map on folded sheet inserted.At head of title: U.S. Department of Agriculture, Bureau of Soils.Mode ...
At head of title: U.S. Dept. of Agriculture. Bureau of Chemistry and Soils. In cooperation with the ...
At head of title: United States Dept. of Agriculture, Bureau of Soils ... in cooperation with the Un...
Prepared by the U.S. Soil Conservation Service in cooperation with Michigan Agricultural Experiment ...
"Advance sheets - Field operations of the Bureau of soils, 1922."At head of title: U.S. Department o...
[Prepared] in cooperation with the Michigan Agricultural Experiment Station and the Michigan Dept. o...
"In cooperation with Michigan Agricultural Experiment Station."Cover title.Bibliography: p. 137-138....
At head of title: United States Department of Agriculture. Bureau of Chemistry and Soils. In coopera...
Cover title.[Advance sheets - Field operations of the Bureau of Soils, 1924]Mode of access: Internet
cover-title.In cooperation with Michigan Agricultural experiment station."Literature cited": p. 47.M...
"Survey ... made cooperatively by the Soil Conservation Service and the Michigan Agricultural Experi...
"Series 1929, number 24."At head of title: United States Dept. of Agriculture.Mode of access: Intern...
"Advance sheets--Field operations of the Bureau of Soils, 1903."At head of title: U.S. Department of...
At head of title: U.S. Department of Agriculture, Bureau of Soils."Advance sheets--Field operations ...
At head of title: U.S. Department of Agriculture. Bureau of SoilsMode of access: Internet
Map on folded sheet inserted.At head of title: U.S. Department of Agriculture, Bureau of Soils.Mode ...