Search results for: Fretwell, M. O.

Showing 1 - 4 results of 4 Refine Results
  1. 1

    Quality of water, Quillayute River basin, Washington

    Authors: Fretwell, M. O.
    Published: U.S. Geological Survey, 1984
    Physical Description: 1 online resource (viii, 96 pages) : illustrations, maps.
    Connect to online resource - All users (Federal Depository Library Program Persistant URL)
    Government Document Electronic eBook
  2. 2

    A review of possible causes of nutrient enrichment and decline of endangered sucker populations in Upper Klamath Lake, Oregon

    Authors: Bortleson, Gilbert Carl, 1940-, Fretwell, M. O.
    Published: U.S. Geological Survey, 1993
    Physical Description: 1 online resource (vii, 24 pages) : illustrations, maps (1 color).
    Connect to online resource - All users (Federal Depository Library Program Persistant URL)
    Government Document Electronic eBook
  3. 3

    Irrigation-water quality in the Sulphur Creek basin, Yakima and Benton Counties, Washington, April 1976 through March 1977

    Authors: Boucher, P. R.
    Published: The Survey, 1982
    Other Authors: “…Fretwell, M. O.…”
    Physical Description: 1 volume : illustrations, maps ; 28 cm.
    Government Document Microfilm Book
  4. 4

    A review of possible causes of nutrient enrichment and decline of endangered sucker populations in Upper Klamath Lake, Oregon

    Published: U.S. Geological Survey ; Earth Science Information Center, Open-File Reports Section [distributor], 1993
    Other Authors:
    Physical Description: vii, 24 pages : illustrations, maps (1 color) ; 28 cm.
    Government Document Book