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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Palmer, John. - United States. Bureau of Land Management. Denver Service Center. - United States. Bureau of Land Management. Portland Service Center.
    Publication info: Portland, Or, U.S. Department of the Interior, Bureau of Land Management, Portland Service Center, 1971
    Holding Institution: Bureau of Land Management
    Subjects: Bureau of Land Management  Records and correspondence  Slides (Photography)  Standards  United States  Visual aids  Word processing  
  2. By: United States. Extension Service.
    Publication info: Washington, [1945?]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Beneficial insects  Catalogs  Insect pests  Slides (Photography)  
  3. By: United States. Extension Service.
    Publication info: [Washington], [1943]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Beneficial insects  Catalogs  Insect pests  Slides (Photography)