Showing 1 - 10 results of 10 for search 'Johnson, Norman E.', query time: 0.04s Refine Results
  1. 1

    A test of ten insecticides for controlling the hemlock looper by Johnson, Norman E.

    Centralia, Wash. : Weyerhaeuser Forestry Research Center, 1965
    Format: Book


  2. 2

    Douglas-fir cone insects and their control by Johnson, Norman E.

    [Ottawa] : [Queen's Printer], 1967
    Format: Book


  3. 3

    Effectiveness of three systemic insecticides for Douglas-fir cone and seed insect control by Johnson, Norman E.

    Centralia, Wash. : Weyerhaeuser Forestry Research Center, 1966
    Format: Book


  4. 4

    The balsam woolly aphid problem in Oregon and Washington by Johnson, Norman E.

    [Portland, Or.] : [U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station], 1957
    Format: Government Document Book


  5. 5

    Distribution of Sitka spruce weevil eggs on leaders of open grown Sitka spruce in southwest Washington by Johnson, Norman E.

    Centralia, Wash. : Weyerhaeuser Forestry Research Center, 1965
    Format: Book


  6. 6

    The balsam woolly aphid on young Pacific Silver Fir in Washington by Johnson, Norman E.

    Centralia, Wash. : Weyerhaeuser Forestry Research Center, 1968
    Format: Book


  7. 7

    The absorption and translocation of the systemic insecticide schradan in Sitka spruce and grand fir by Rediske, J. H.

    Centralia, Wash. : Weyerhaeuser Forestry Research Center, 1965
    Other Authors: “…Johnson, Norman E.…”
    Format: Book


  8. 8

    Timber management plan, Flagstaff Working Circle (includes Flagstaff Federal Sustained Yield Unit), Coconino National Forest, Region 3 : Sixth revision, July 1, 1963 through June 3...

    [Albuquerque, N.M.] : Dept. of Agriculture, Forest Service, [Southwestern Region?], 1965
    Other Authors:
    Format: Book


  9. 9

    Damage by the Sitka spruce weevil (Pissodes strobi) and growth patterns for 10 spruce species and hybrids over 26 years in the Pacific Northwest by Mitchell, R. G.

    Portland, Or. (319 S.W. Pine St., P.O. Box 3890, Portland 97208) : U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, 1990
    Other Authors:
    Format: Government Document Book


  10. 10

    Susceptibility of 10 spruce species and hybrids to the white pine weevil (=Sitka spruce weevil) in the Pacific Northwest by Mitchell, R. G.

    Portland, Or. : U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1974
    Other Authors:
    Format: Government Document Book