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  1. By: Ayers, John C. (John Carr), - Chandler, D. C., (David Culbertson), - University of Michigan. Great Lakes Research Division.
    Publication info: Ann Arbor, Mich. :University of Michigan,1967.
    Holding Institution: University of Michigan (archive.org)
    Subjects: Freshwater biology  Freshwater ecology  Limnology  Michigan, Lake  
  2. By: Columbia Basin Task Force. - Chen, Glenn K. - United States. Forest Service. - United States. Forest Service. Pacific Northwest Region.
    Publication info: [Portland, Or.?] :United States Department of Agriculture, Forest Service, Pacific Nortwest Region Intermountain Region, Northern Region[1994]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Columbia River  Columbia River Watershed  Environmental monitoring  Fisheries  Freshwater ecology  Monitoring  Water quality biological assessment  
  3. By: Massachusetts. Executive Office of Environmental Affairs. - Massachusetts. Natural Heritage & Endangered Species Program.
    Publication info: Westborough, Mass. :Massachusetts Division of Fisheries and Wildlife,c2003.
    Holding Institution: UMass Amherst Libraries (archive.org)
    Subjects: Biodiversity conservation  Freshwater biology  Freshwater ecology  Massachusetts  
  4. By: Alberta. Alberta Environment. - Stantec Consulting Ltd.
    Publication info: [Edmonton] :Alberta Environment,2005.
    Holding Institution: University of Alberta Libraries (archive.org)
    Subjects: Alberta  Aquatic ecology  Environmental monitoring  Freshwater ecology  Standards  Water quality