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By: Pase, C. P., - Johnson, R. Roy (Raymond Roy),Edition:Publication info: Fort Collins, Colo, Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1968Volume: no.41Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects:BHL Collections:
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By: Reynolds, Hudson G. (Hudson Gillis), - Johnson, R. Roy (Raymond Roy),Edition:Publication info: Fort Collins, Colo, Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1964Volume: no.4Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects:BHL Collections:
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By: Johnson, R. Roy (Raymond Roy), - Jones, Dale A.Edition:Publication info: Fort Collins, Colo, Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1977Volume: no.43Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects:BHL Collections:
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By: Johnson, R. Roy (Raymond Roy), - Carothers, Steven W. (Steven Warren),Edition:Publication info: [S.l.], Eisenhower Consortium for Western Environmental Forestry Research, 1982Volume: no.12Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects:BHL Collections:
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By: Smith, Edwin B - Johnson, R. Roy (Raymond Roy),Type: ArticleIn: RhodoraVolume: 66Series:Issue:Date: 1965Page Range: 270--272Publication Info: [Cambridge, Mass., etc.] New England Botanical Club [etc.]Subjects:
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By: Johnson, R. Roy (Raymond Roy),Type: ArticleIn: The University of Kansas science bulletinVolume: 48Series:Issue: 7Date: 1969-01-31Page Range: 225--268Publication Info: [Lawrence] University of Kansas [1926-1996]Subjects:
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By: Jackson, Raymond C. (Raymond Carl), - Johnson, R. Roy (Raymond Roy),Type: ArticleIn: RhodoraVolume: 69Series:Issue:Date: 1967Page Range: 476--480Publication Info: [Cambridge, Mass., etc.] New England Botanical Club [etc.]Subjects: