Research Catalog

  • Geologic characterization of natural aggregate [microform] : a field geologist's guide to natural aggregate resource assessment / by W.H Langer and D.H. Knepper, Jr.

    • Text
    • [Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey, 1995.
    • 1995
  • The human factor in mining reclamation [microform] / by Belinda F. Arbogast, Daniel H. Knepper, Jr., William H. Langer.

    • Text
    • Denver, CO : U.S. Dept. of the Interior, U.S. Geological Survey, 1998.
    • 1998
  • Stratigraphy, lithology, and sedimentary features of Quaternary alluvial deposits of the South Platte River and some of its tributaries east of the Front Range, Colorado / by David A. Lindsey, William H. Langer, and Daniel H. Knepper, Jr.

    • Text
    • Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey, 2005.
    • 2005
    • 1 Resource

    Available Online

    https://purl.fdlp.gov/GPO/LPS101087
  • Complete Bouguer gravity anomaly, isostatic-residual gravity, horizontal gradient, and terrain maps of Colorado / U.S. Department of the Interior, U.S. Geological Survey ; by Gerda A. Abrams and Daniel H. Knepper.

    • Cartographic
    • 1994
    • 1 Item
    FormatCall NumberItem Location
    Cartographic MapOff-site

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