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  1. By: Schmid, J. M. - Mata, S. A. - Edminster, Carleton B. - Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.) - United States. Forest Service.
    Publication info: [Fort Collins, Colo.], USDA Forest Service, Rocky Mountain Forest and Range Experiment Station, 1989
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Abnormalities  forest trees  Harvesting losses  Pinaceae  Pine  Pinus ponderosa  Ponderosa pine  South Dakota  USA  Western yellow pine  wood defects  
  2. By: Schumann, David R. - United States. State and Private Forestry. Southeastern Area.
    Publication info: Atlanta, Ga, USDA Forest Service, Northeastern Area, [1984]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Drying  Forests and forestry  Lumber  Timber  wood defects