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  1. By: Carson, Ward W. - Studier, Donald D. - Pacific Northwest Forest and Range Experiment Station (Portland, Or.)
    Publication info: Portland, Or, Pacific Northwest Forest and Range Experiment Station, U.S. Dept. of Agriculture, 1973
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Data processing  Log transportation  Logging, Skyline
  2. By: Bagwell, Raymond E. - United States. Bureau of Land Management. Portland Service Center, - United States. Bureau of Land Management. Roseburg District Office.
    Publication info: Portland, Or, U.S. Department of the Interior, Bureau of Land Management, Portland Service Center, 1969
    Holding Institution: Bureau of Land Management
    Subjects: Bureau of Land Management  Equipment and supplies  Forests and forestry  Log transportation  Records and correspondence  United States  
  3. By: Lysons, Hilton H. - Mann, Charles N.
    Publication info: [Portland, Or.], Pacific Northwest Forest and Range Experiment Station, U.S. Dept. of Agriculture, Forest Service, 1967
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Handbooks, manuals, etc  Log transportation  Logging, Skyline