At head of title: U.S. Department of Agriculture, Bureau of Soils in cooperation with the North Dakota Agricultural Experiment Station."Advance sheets--Field operations of the Bureau of Soils, 1921."Two colored maps folded and inserted inside back cover.Mode of access: Internet
"Number 31 series 1925"--Cover.At head of title: U.S. Dept. of Agriculture, Bureau of Chemistry and ...
Prepared in cooperation with South Dakota Agricultural Experiment Station.Cover title.Bibliography: ...
"Advance sheets--field operations of the Bureau of Soils, 1913."At head of title: U.S. Department of...
"Advance sheets - Field operations of the Bureau of soils, 1922."At head of title: U.S. Department o...
"In cooperation with North Dakota Agricultural Experiment Station."Cover title.Bibliography: p. 124....
"United States Department of Agriculture Soil Conservation Service in cooperation with Minnesota Agr...
At head of title: U.S. Dept. of Agriculture, Bureau of Soils, in cooperation with the Ohio Agricultu...
At head of title: U. S. Department of Agriculture. Bureau of Soils."Advance sheets - field operation...
Advance sheets -- Field operations of the Bureau of Soils, 1917.United States Dept. of Agriculture, ...
At head of title: United States Department of Agriculture. Bureau of Chemistry and Soils. In coopera...
"Advance sheets--Field operations of the Bureau of Soils, 1912."At head of title: U.S. Department of...
At head of title: U.S. Department of Agriculture, Bureau of Soils, in cooperation with the Utah Agri...
"Advance sheets--Field operations of the Bureau of Soils, 1903."At head of title: U.S. Department of...
"In cooperation with South Dakota Agricultural Experiment Station."Cover title.Bibliography: p. 110....
Prepared in cooperation with North Dakota Agricultural Experiment Station.Caption title: Soil survey...
"Number 31 series 1925"--Cover.At head of title: U.S. Dept. of Agriculture, Bureau of Chemistry and ...
Prepared in cooperation with South Dakota Agricultural Experiment Station.Cover title.Bibliography: ...
"Advance sheets--field operations of the Bureau of Soils, 1913."At head of title: U.S. Department of...
"Advance sheets - Field operations of the Bureau of soils, 1922."At head of title: U.S. Department o...
"In cooperation with North Dakota Agricultural Experiment Station."Cover title.Bibliography: p. 124....
"United States Department of Agriculture Soil Conservation Service in cooperation with Minnesota Agr...
At head of title: U.S. Dept. of Agriculture, Bureau of Soils, in cooperation with the Ohio Agricultu...
At head of title: U. S. Department of Agriculture. Bureau of Soils."Advance sheets - field operation...
Advance sheets -- Field operations of the Bureau of Soils, 1917.United States Dept. of Agriculture, ...
At head of title: United States Department of Agriculture. Bureau of Chemistry and Soils. In coopera...
"Advance sheets--Field operations of the Bureau of Soils, 1912."At head of title: U.S. Department of...
At head of title: U.S. Department of Agriculture, Bureau of Soils, in cooperation with the Utah Agri...
"Advance sheets--Field operations of the Bureau of Soils, 1903."At head of title: U.S. Department of...
"In cooperation with South Dakota Agricultural Experiment Station."Cover title.Bibliography: p. 110....
Prepared in cooperation with North Dakota Agricultural Experiment Station.Caption title: Soil survey...
"Number 31 series 1925"--Cover.At head of title: U.S. Dept. of Agriculture, Bureau of Chemistry and ...
Prepared in cooperation with South Dakota Agricultural Experiment Station.Cover title.Bibliography: ...
"Advance sheets--field operations of the Bureau of Soils, 1913."At head of title: U.S. Department of...