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1Published 1981“...United States Department of State,...”
Government Document Book -
2by Zimdahl, Robert L.“...United States Department of Agriculture, Cooperative State Research Service,...”
Published 1991
Book -
3Published 2015“...United States Department of the Interior, Bureau of Land Management--Oregon, Oregon State Office,...”
Government Document Book -
4Published 2015“...United States Department of the Interior, Bureau of Land Management--Oregon, Oregon State Office,...”
Government Document Book -
5“...United States, Department of Agriculture, Natural Resources Conservation Service ; Penn State...”
Government Document Book -
6Published 1991“... and the United States Department of Agriculture, Cooperative State Research Service,...”
Book -
7by Tobias, Vladimir Ivanovich“...Published for the Cooperative State Research Service, United States Department of Agriculture...”
Published 1975
Book -
8by Ramsey, Robert N.“...United States Department of Agriculture, Natural Resources Conservation Service ; In cooperation...”
Published 2004
Book -
9by Ressel, Dennis“...United States Department of Agriculture, Natural Resources Conservation Service ; In cooperation...”
Published 2004
Book