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  1. By: Powell, Jerry A. - Opler, Paul A. - Xerces Society.
    Publication info: [S.l.] :The Society,
    Holding Institution: Cornell University Library
    Subjects: Butterflies  Insect populations  Insects  Lepidoptera  Periodicals  United States
    BHL Collections: Expanding Access to Biodiversity Literature
  2. By: Stagliano, David M., - Montana Natural Heritage Program.
    Holding Institution: Montana State Library (archive.org)
    Subjects: Aquatic habitats  Aquatic insects  Evaluation  Flies  Insect populations  Montana  Salmonfly  
  3. By: Lynch, James Francis, - Smithsonian Environmental Research Center.
    Publication info: 1975
    Holding Institution: Smithsonian Institution Archives
    Subjects: Entomology  Field notes  Guatemala  Honduras  Insect populations  Mexico  Panama  United States
    BHL Collections: Smithsonian Field Books collection
  4. By: Perry, Sue. - Graham, Patrick J. - Montana. Department of Fish, Wildlife, and Parks - United States. Bureau of Reclamation.
    Publication info: Kalispell, Mont. :The Dept.,[1981].
    Holding Institution: Montana State Library (archive.org)
    Subjects: Dams  Environmental aspects  Flathead River (B.C. and Mont.)  Freshwater invertebrates  Hungry Horse Dam (Mont.)  Insect populations  Montana  
  5. By: Perry, Sue. - Graham, Patrick J. - Montana. Department of Fish, Wildlife, and Parks - United States. Bureau of Reclamation.
    Publication info: Boise, Idaho :The Bureau,[1982]
    Holding Institution: Montana State Library (archive.org)
    Subjects: Dams  Environmental aspects  Flathead River (B.C. and Mont.)  Freshwater invertebrates  Hungry Horse Dam (Mont.)  Insect populations  Montana  
  6. By: Ormerod, Eleanor A. (Eleanor Anne),
    Publication info: St. Albans, [England] :Torrington House,December 16, 1897
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Great Britain  Insect pests  Insect populations
    BHL Collections: Women in Natural History