Search results for: Ruth, Robert H.

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  1. 1

    Management of western hemlock-Sitka spruce forests for timber production

    Authors: Ruth, Robert H.
    Published: Department of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1979
    Physical Description: 197 pages : illustrations, maps ; 27 cm.
    Government Document Book
  2. 2

    Forest residues in hemlock-spruce forests of the Pacific Northwest and Alaska : a state-of-knowledge review with recommendations for residue management

    Authors: Ruth, Robert H.
    Published: U.S. Department of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1975
    Physical Description: 52 pages : illustrations, map ; 27 cm.
    Government Document Book
  3. 3

    Results of shelterwood cutting in western hemlock

    Authors: Williamson, Richard L.
    Published: U.S. Department of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1976
    Other Authors: “…Ruth, Robert H.…”
    Physical Description: 25 pages : illustrations ; 27 cm.
    Government Document Microfilm Book