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  1. By: Little, Elbert L. (Elbert Luther), - Wadsworth, Frank H. - Woodbury, Roy O.
    Publication info: Rio Piedras, P.R, Institute of Tropical Forestry, 1976
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  2. By: Woodbury, Roy O. - United States. Soil Conservation Service. - Puerto Rico. Dept. of Natural Resources.
    Publication info: [Washington], U.S. Dept. of Agriculture, Soil Conservation Service in cooperation with the Department of Natural Resources, Commonwealth of Puerto Rico, 1975
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  3. By: Little, Elbert L. (Elbert Luther), - Woodbury, Roy O. - United States. Forest Service. - United States. Forest Service. - United States. Forest Service. Timber Management Research.
    Publication info: Washington, D.C, U.S. Dept. of Agriculture, Forest Service, 1980
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  1. By: Nevling, Lorin I., Jr. - Woodbury, Roy O.
    Type: Article
    In: Journal of the Arnold Arboretum
    Volume: 47
    Issue: 3
    Date: 1966
    Page Range: 262--265
    Publication Info: Cambridge, Mass Arnold Arboretum, Harvard University [etc.] 1919-