Research Catalog

  • Water resources instrumentation [microform] / Barry A. Long.

    • Text
    • Washington, D.C. : U.S. Dept. of the Interior, National Park Service ; Denver, CO : Technical Information Center, Denver Service Center, [1992]
    • 1992
  • Bacteria water quality data analysis and interpretation, Glen Canyon National Recreation Area [microform] / Barry A. Long and Rebecca A. Smith.

    • Text
    • Fort Collins, Colo. : U.S. Dept. of the Interior, National Park Service, [1995]
    • 1995

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