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  1. By: Edminster, Carleton B. - Getter, James R. - Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.)
    Publication info: [Fort Collins, Colo.], Forest Service, U.S. Dept. of Agriculture, Rocky Mountain Forest and Range Experiment Station, [1979]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Aerial photography in forestry  Colorado  Cottonwood  Forests and forestry  Measurement  
  2. By: Milliken, F. B. (Francis Burzley),
    Publication info: Washington, D.C, U.S. Dept. of Agriculture, 1916
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Cottonwood  Cottonwood borer  Diseases and pests  Internet resource
  3. By: Williamson, Addison W.,
    Publication info: Washington, D.C, U.S. Dept. of Agriculture, 1913
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Cottonwood  Mississippi River Valley  Poplar
  4. By: Philpot, Charles Walter, - Intermountain Forest and Range Experiment Station (Ogden, Utah)
    Publication info: Ogden, Utah, Intermountain Forest & Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1971
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Cottonwood  Pyrolysis
  5. By: Kaeiser, Margaret. - Pillow, M. Y. (Maxon Young) - Central States Forest Experiment Station (Columbus, Ohio)
    Publication info: Columbus, Ohio, Central States Forest Experiment Station, U.S. Dept. of Agriculture, Forest Service, [1955]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Abnormalities  Cottonwood  Growth  Physical properties  Plants  Trees