Search results for: Duffy, Walter G.

Showing 1 - 5 results of 5 Refine Results
  1. 1

    An analysis of the percentage composition and abundance of benthic macroinvertebrates in Lake Michigan adjacent to the Ludington pumped storage power plant, 1972 - 1976 : 1976 annu...

    Authors: Duffy, Walter G.
    Published: Department of Fisheries and Wildlife, Michigan State University, 1978
    Physical Description: v, 97 pages : illustrations ; 29 cm
    Book
  2. 2

    The St. Marys River, Michigan : an ecological profile

    Authors: Duffy, Walter G.
    Published: Fish and Wildlife Service, U.S. Department of the Interior ; Great Lakes National Program Office, U.S. Environmental Protection Agency, 1987
    Physical Description: xvi, 138 pages : illustrations, maps ; 28 cm.
    Government Document Book
  3. 3

    The ecology of peat bogs of the glaciated northeastern United States : a community profile

    Authors: Damman, Antoni W. H.
    Published: Fish and Wildlife Service, U.S. Department of the Interior : U.S. Environmental Protection Agency, 1987
    Other Authors:
    Physical Description: xi, 100 pages : illustrations, maps ; 28 cm.
    Government Document Book
  4. 4

    Conservation Effects Assessment Project : wetlands assessment in California's Central Valley and Upper Klamath River Basin

    Published: U.S. Department of the Interior, U.S. Geological Survey, 2011
    Other Authors: “…Duffy, Walter G.…”
    Physical Description: 1 online resource (vi, 128 pages) : illustrations, maps.
    Connect to online resource - All users (Federal Depository Library Program Persistant URL)
    Government Document Electronic eBook
  5. 5

    Proceedings of the Klamath Basin Science Conference, Medford, Oregon, February 1 - 5, 2010

    Published: U.S. Department of the Interior, U.S. Geological Survey, 2011
    Other Authors:
    Physical Description: 1 online resource (iv, 312 pages) : illustrations (chiefly color).
    Connect to online resource - All users (Federal Depository Library Program Persistant URL)
    Government Document Electronic Conference Proceeding eBook