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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Fredriksen, Richard L., - 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, [1963]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  2. By: Minore, Don. - Carkin, Richard E. - Fredriksen, Richard L., - Pacific Northwest Forest and Range Experiment Station (Portland, Or.)
    Publication info: Portland, Or, Pacific Northwest Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, [1977]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  3. By: National Fire Effects Workshop Denver, Colo.) - Lyon, L. Jack, - Crawford, Hewlette S. - Czuhai, Eugene - Fredriksen, Richard L., - Harlow, Richard F. - Metz, Louis J. - Pearson, H. A. (Henry A.) - United States. Forest Service.
    Publication info: [Washington, D.C.?], U.S. Dept. of Agriculture, Forest Service, 1978
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library