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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Stagliano, David M. - Maxell, Bryce A. (Bryce Alan) - Montana Natural Heritage Program. - United States. Forest Service.
    Publication info: Helena (Mont.), Montana Natural Heritage Program, c2010
    Holding Institution: Montana State Library
    Subjects: Aquatic invertebrates  Endangered species  Environmental testing  Montana  Watersheds  
  2. By: Sterner, R. T. - Thompson, R. D. - Denver Wildlife Research Center.
    Publication info: Denver, CO, U.S. Dept. of Agriculture, Animal and Plant Health Inspection Service, Science and Technology, Denver Wildlife Research Center, [1990]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Environmental aspects  Environmental testing  Phosphorus  Pigeons  Prairie dogs  Smoke screens  Toxicology  
  3. By: Robinson, F. - Naval Electronics Laboratory Center.
    Publication info: San Diego, Calif, Naval Electronics Laboratory Center, 1968
    Holding Institution: MBLWHOI Library
    Subjects: Environmental testing