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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Holah, J.C.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Armillaria  Dendroctonus ponderosae  disease surveys  forest pests  Fungal diseases of plants  infestation  Insect pests  interactions  Logging  logging effects  national forests  Pinus ponderosa  root rot  South Dakota  
  2. By: Johnson, David W. (David Winslow),
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Arceuthobium americanum  Colorado  disease control  national forests  Parasitic plants  Pinus contorta  plant diseases and disorders  Pruning  
  3. By: Bennett, D. D. - Schmid, J. M. - Mata, S.A. - Edminster, C.B.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Arizona  Coloradia pandora  Growth  Lepidoptera  Mortality  national forests  Pinus ponderosa  
  4. By: United States. Forest Service.
    Publication info: [Missoula, Mont.], [The Service], [date of publication not identified]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Forest reserves  Maps  Montana  national forests  Yellowstone National Park  Yellowstone River Valley  
  5. By: United States. Forest Service.
    Publication info: [Washington, D.C.?], U.S. Dept. of Agriculture, 1985
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: All-terrain vehicles  Forest reserves  Motor vehicles  national forests  Recreational use  Safety measures  Wyoming