Search results for: Johnson, David W. (David Winslow), 1940-

Showing 1 - 6 results of 6 Refine Results
  1. 1

    1979 dwarf mistletoe loss assessment survey on national forest lands in Colorado

    Authors: Johnson, David W. (David Winslow), 1940-
    Published: Methods Application Group, Forest Pest Management, Forest Service, U.S.D.A., 1980
    Physical Description: 18 pages : 1 map ; 28 cm.
    Government Document Book
  2. 2

    Tree hazards : recognition and reduction in recreation sites

    Authors: Johnson, David W. (David Winslow), 1940-
    Published: Forest Pest Management, State and Private Forestry, Rocky Mountain Region, USDA Forest Service, 1981
    Physical Description: 17 pages : illustrations (some color) ; 28 cm.
    Government Document Book
  3. 3

    Comandra blister rust

    Authors: Johnson, David W. (David Winslow), 1940-
    Published: U.S. Department of Agriculture, Forest Service, 1986
    Physical Description: 8 pages : illustrations (color), 1 map ; 24 cm.
    Government Document Book
  4. 4

    Cankers on western quaking aspen

    Authors: Johnson, David W. (David Winslow), 1940-
    Published: U.S. Department of Agriculture, Forest Service, 1995
    Physical Description: 8 pages : color illustrations ; 24 cm.
    Government Document Book
  5. 5

    Biology and management of dwarf mistletoe in lodgepole pine in the Rocky Mountains

    Authors: Hawksworth, Frank G., 1926-1993
    Published: U.S. Department of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station, 1989
    Other Authors: “…Johnson, David W. (David Winslow), 1940-…”
    Physical Description: 38 pages : illustrations (some color), map ; 28 cm.
    Government Document Book
  6. 6

    You can save your trees from dwarf mistletoe

    Authors: Hawksworth, Frank G., 1926-1993
    Published: U.S. Department of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station, 1993
    Other Authors: “…Johnson, David W. (David Winslow), 1940-…”
    Physical Description: 9 pages : illustrations ; 22 cm.
    Government Document Microfilm Book