Add to ORKGThis study is a joint undertaking of the University of Minnesota and the Division of Land Economics of the Bureau of Agricultural Economics, U.S. Dept. of Agriculture, under the direction of O. B. Jesness and L. C. Gray.Mode of access: Internet
"In cooperation with North Dakota Agricultural Experiment Station."Cover title.Bibliography: p. 124....
Prepared by County Committee in cooperation with County Extension Service, University of Minnesota a...
Issued Dec. 1976.Prepared in cooperation with University of Minnesota, Agricultural Experiment Stati...
At head of title: United States Dept. of Agriculture, Bureau of Soils ... in cooperation with the Un...
Issued also as thesis, University of Michigan.Bibliography: p.203-210.Mode of access: Internet
At head of title: United States Department of Agriculture. Bureau of Chemistry and Soils. In coopera...
L. D. Coffman, Chairman, Committee on Land Utilization. Raphael Zon, Chairman, Editorial Committee"...
A cooperative effort of the U.S. Soil Conservation Service and others.Cover title.Mode of access: In...
Includes bibliographical references (p. 437-456) and index.Mode of access: Internet
Contribution from Bureau of Agricultural Economics.Cover title.Bibliograhy: p. 71-73.Mode of access:...
Issued March 1976.Prepared in cooperation with University of Minnesota Agricultural Experiment Stati...
"Series 1929, number 24."At head of title: United States Dept. of Agriculture.Mode of access: Intern...
In cooperation with the University of Minnesota Agricultural Experiment Station.By Olaf C. Soine and...
Issued Apr. 1980.Prepared in cooperation with Minnesota Agricultural Experiment Station.Bibliography...
Published by the Geological and Natural History Survey of Minnesota.Mode of access: Internet
"In cooperation with North Dakota Agricultural Experiment Station."Cover title.Bibliography: p. 124....
Prepared by County Committee in cooperation with County Extension Service, University of Minnesota a...
Issued Dec. 1976.Prepared in cooperation with University of Minnesota, Agricultural Experiment Stati...
At head of title: United States Dept. of Agriculture, Bureau of Soils ... in cooperation with the Un...
Issued also as thesis, University of Michigan.Bibliography: p.203-210.Mode of access: Internet
At head of title: United States Department of Agriculture. Bureau of Chemistry and Soils. In coopera...
L. D. Coffman, Chairman, Committee on Land Utilization. Raphael Zon, Chairman, Editorial Committee"...
A cooperative effort of the U.S. Soil Conservation Service and others.Cover title.Mode of access: In...
Includes bibliographical references (p. 437-456) and index.Mode of access: Internet
Contribution from Bureau of Agricultural Economics.Cover title.Bibliograhy: p. 71-73.Mode of access:...
Issued March 1976.Prepared in cooperation with University of Minnesota Agricultural Experiment Stati...
"Series 1929, number 24."At head of title: United States Dept. of Agriculture.Mode of access: Intern...
In cooperation with the University of Minnesota Agricultural Experiment Station.By Olaf C. Soine and...
Issued Apr. 1980.Prepared in cooperation with Minnesota Agricultural Experiment Station.Bibliography...
Published by the Geological and Natural History Survey of Minnesota.Mode of access: Internet
"In cooperation with North Dakota Agricultural Experiment Station."Cover title.Bibliography: p. 124....
Prepared by County Committee in cooperation with County Extension Service, University of Minnesota a...
Issued Dec. 1976.Prepared in cooperation with University of Minnesota, Agricultural Experiment Stati...