Search results for: Barrett, James W. (James Willis), 1922-

Showing 1 - 15 results of 15 Refine Results
  1. 1

    Silviculture of ponderosa pine in the Pacific northwest : the state of our knowledge

    Authors: Barrett, James W. (James Willis), 1922-
    Published: Department of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station : for sale by the Supt. of Docs., U.S. Govt. Print. Off, 1979
    Physical Description: 106 pages : illustrations, maps ; 27 cm.
    Government Document Book
  2. 2

    Twenty-year growth of thinned and unthinned ponderosa pine in the Methow Valley of northern Washington

    Authors: Barrett, James W. (James Willis), 1922-
    Published: U.S. Department of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1981
    Physical Description: 13 pages : illustrations ; 28 cm.
    Government Document Book
  3. 3

    Twenty-year growth of ponderosa pine saplings thinned to five spacings in central Oregon

    Authors: Barrett, James W. (James Willis), 1922-
    Published: U.S. Department of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1982
    Physical Description: 18 pages : illustrations ; 28 cm.
    Government Document Book
  4. 4

    Growth of ponderosa pine poles thinned to different stocking levels in central Oregon

    Authors: Barrett, James W. (James Willis), 1922-
    Published: U.S. Department of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1983
    Physical Description: 9 pages : illustrations ; 28 cm.
    Government Document Book
  5. 5

    Response of dwarf mistletoe-infested ponderosa pine to thinning.

    Authors: Barrett, James W. (James Willis), 1922-
    Published: U.S. Department of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1985
    Physical Description: volumes : illustrations ; 28 cm.
    Government Document Book
  6. 6

    Logging to save ponderosa pine regeneration : a case study

    Authors: Barrett, James W. (James Willis), 1922-
    Published: U.S. Department of Agriculture Forest Service, Pacific Northwest Forest and Range Experiment Station, 1976
    Physical Description: 13 pages : illustrations ; 26 cm.
    Government Document Book
  7. 7

    A field guide for stand basal area, average diameter, and tree spacing relationships

    Authors: Barrett, James W. (James Willis), 1922-
    Published: Department of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1977
    Physical Description: 4 pages, 2 unnumbered pages : illustrations ; 27 cm.
    Government Document Book
  8. 8

    Height growth and site index curves for managed, even-aged stands of ponderosa pine in the Pacific Northwest

    Authors: Barrett, James W. (James Willis), 1922-
    Published: Department of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1978
    Physical Description: 14 pages : illustrations ; 27 cm.
    Government Document Book
  9. 9

    Ponderosa pine managed-yield simulator : PPSIM users guide

    Authors: DeMars, Donald J.
    Published: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station, 1987
    Other Authors: “…Barrett, James W. (James Willis), 1922-…”
    Physical Description: 36 pages : illustrations ; 28 cm.
    Government Document Book
  10. 10

    Thirty-five-year growth of thinned and unthinned ponderosa pine in the Methow Valley of northern Washington

    Authors: Cochran, P. H.
    Published: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station, 1998
    Other Authors: “…Barrett, James W. (James Willis), 1922-…”
    Physical Description: 24 pages : illustrations ; 28 cm.
    Government Document Microfilm Book
  11. 11

    Growth of ponderosa pine thinned to different stocking levels in central Oregon : 30-year results

    Authors: Cochran, P. H.
    Published: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station, 1999
    Other Authors: “…Barrett, James W. (James Willis), 1922-…”
    Physical Description: 27 pages : illustrations ; 28 cm.
    Government Document Microfilm Book
  12. 12

    Thirty-five-year growth of ponderosa pine saplings in response to thinning and understory removal

    Authors: Cochran, P. H.
    Published: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station, 1999
    Other Authors: “…Barrett, James W. (James Willis), 1922-…”
    Physical Description: 28 pages : illustrations ; 28 cm.
    Government Document Microfilm Book
  13. 13

    Seed production of central Oregon ponderosa and lodgepole pines

    Authors: Dahms, Walter G.
    Published: Pacific Northwest Forest and Range Experiment Station, Forest Service, U.S. Department of Agriculture, 1975
    Other Authors: “…Barrett, James W. (James Willis), 1922-…”
    Physical Description: 13 pages : illustrations ; 27 cm.
    Government Document Book
  14. 14

    Financial precommercial thinning guides for northwest ponderosa pine stands

    Authors: Sassaman, Robert W.
    Published: Department of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1977
    Other Authors: “…Barrett, James W. (James Willis), 1922-…”
    Physical Description: 27 pages : illustrations, graphs ; 27 cm.
    Government Document Book
  15. 15

    Fertilization and spacing effects on growth of planted ponderosa pine

    Authors: Cochran, P. H.
    Published: U.S. Department of Agriculture, Forest Service, Pacific Northwest Forest Research Station, 1991
    Other Authors:
    Physical Description: 13 pages : illustrations ; 28 cm.
    Government Document Microfilm Book