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1Published 1972“...Dept. of Agriculture, Forest Service,...”
Government Document Book -
2Published 1986“...Dept. of Agriculture, Forest Service, Cooperative State Research Service,...”
Government Document Book -
3by Ronco, Frank“...USDA Forest Service, Rocky Mountain Forest and Range Experiment Station,...”
Published 1984
Government Document Book -
4by Gardner, Rulon B.“...Dept. of Agriculture, Forest Service, Intermountain Forest and Range Experiment Station,...”
Published 1982
Government Document Book -
5Published 1989“...Dept. of Agriculture, Forest Service, North Central Forest Experiment Station ; For sale by the Supt. of Docs., U.S. ...”
Government Document Book