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  1. By: Carolin, V. M. (Valentine Mott), - Coulter, W. K. - 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, [1964]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Bromomethane  Control  Diseases and pests  Fumigation  Ponderosa pine  Rhyacionia  Washington (State)  
  2. By: Flora, Donald F. - 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, [1965]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Diseases and pests  Economic aspects  Ponderosa pine  Rhyacionia  
  3. By: Lessard, Gene D. - Jennings, Daniel T. - Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.)
    Publication info: Fort Collins, Colo, Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1976
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Arizona  Diseases and pests  Moths  Ponderosa pine  Rhyacionia