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  1. By: Wharton, Eric H. - Raile, Gerhard K. - Northeastern Forest Experiment Station (Radnor, Pa.)
    Publication info: [Broomall, Pa.] :U.S. Dept. of Agriculture, Forest Service, Northeastern Forest Experiment Station,1984.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  2. By: Wharton, Eric H. - United States. Forest Service. - United States. Forest Service. Northeastern Research Station.
    Publication info: Newtown Square, PA :USDA Forest Service, Northeastern Research Station,[2004]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  3. By: Wharton, Eric H. - United States. Forest Service. - United States. Forest Service. Northeastern Research Station.
    Publication info: Newtown Square, PA :U.S. Dept. of Agriculture, Forest Service, Northeastern Research Station,[2003]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  4. By: Wharton, Eric H. - Northeastern Forest Experiment Station (Radnor, Pa.)
    Publication info: [Broomall, Pa.] :U.S. Dept. of Agriculture, Forest Service, Northeastern Forest Experiment Station,1984.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  5. By: United States. Forest Service. - Bones, James T. - Raile, Gerhard K. - Wharton, Eric H. - Cost, Noel D. - Thomas, Charles E. (Charles Eugene), - Skog, Kenneth - Van Hooser, Dwane D. - Howard, James O. - LaBau, Vernon J.
    Publication info: [Washington, D.C.?] :U.S. Dept. of Agriculture, Forest Service,1981.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library