Research Catalog

  • Standardized methods for Grand Canyon fisheries research 2015 / by William R. Persons, David L. Ward, and Luke A. Avery.

    • Text
    • Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2015.
    • 2015
    • 1 Resource

    Available Online

    https://purl.fdlp.gov/GPO/gpo55052
  • Standardized methods for Grand Canyon fisheries research 2012 / by William R. Persons, David L. Ward, and Luke A. Avery.

    • Text
    • Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2013.
    • 2013
    • 1 Resource

    Available Online

    https://purl.fdlp.gov/GPO/gpo35326
  • Status and trends of the rainbow trout population in the Lees Ferry reach of the Colorado River downstream from Glen Canyon Dam, Arizona, 1991-2009 / by Andrew S. Makinster, William R. Persons, and Luke A. Avery.

    • Text
    • Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2011.
    • 2011
    • 1 Resource

    Available Online

    https://purl.fdlp.gov/GPO/gpo172024

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