Search results for: Wickman, Boyd E.

Showing 21 - 25 results of 25 Refine Results
  1. 21

    Forest health in the Blue Mountains : the influence of insects and diseases

    Authors: Wickman, Boyd E.
    Published: USDA Forest Service, Pacific Northwest Research Station, 1992
    Physical Description: 1 online resource (15 pages) : illustrations (some color).
    Connect to online resource - All users (Federal Depository Library Program Persistant URL)
    Government Document Electronic eBook
  2. 22

    How to time the sampling of tussock moth larvae

    Authors: Wickman, Boyd E.
    Published: U.S. Dept. of Agriculture, Combined Forest Pest Research and Development Program, 1978
    Physical Description: 1 online resource (6 pages) : illustrations (some color).
    Connect to online resource - All users (Federal Depository Library Program Persistant URL)
    Government Document Electronic eBook
  3. 23

    Northeastern Oregon bark beetle control project 1910-11

    Authors: Burke, H. E. (Harry Eugene), 1878-1963
    Published: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station, 1990
    Other Authors: “…Wickman, Boyd E.…”
    Physical Description: 46 pages : illustrations, map ; 28 cm.
    Government Document Book
  4. 24

    Decay in tops killed by Douglas-fir tussock moth in the Blue Mountains

    Authors: Aho, Paul E.
    Published: Department of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1979
    Other Authors: “…Wickman, Boyd E.…”
    Physical Description: 22 pages : illustrations ; 27 cm.
    Government Document Book
  5. 25

    Sampling Western Spruce Budworm larvae by counting larvae on lower crown branches

    Authors: Mason, Richard R.
    Published: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station, 1989
    Other Authors: “…Wickman, Boyd E.…”
    Physical Description: 8 pages : illustrations ; 28 cm.
    Government Document Microfilm Book