Search results for: Hildebrand, Ricky T.

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  1. 1

    Geology and chemical analyses of coal, Mesaverde Group (Cretaceous), Lower White River coal field, Moffat and Rio Blanco Counties, Colorado

    Authors: Hildebrand, Ricky T.
    Published: U.S. Department of the Interior, Geological Survey, 1981
    Physical Description: 1 volume : illustrations, 2 maps ; 28 cm.
    Government Document Microfilm Book
  2. 2

    Chemical analyses of coal from the Krebs Group (Pennsylvanian), Arkoma basin, eastern Oklahoma

    Authors: Hildebrand, Ricky T.
    Published: The Survey, 1981
    Physical Description: 1 volume : illustrations, maps ; 28 cm.
    Government Document Microfilm Book
  3. 3

    Chemical analyses of coal from the Anderson coal deposit, Johnson County, Wyoming

    Authors: Hildebrand, Ricky T.
    Published: U.S. Department of the Interior, Geologicaal Survey, 1986
    Physical Description: 1 volume : illustrations, maps ; 28 cm.
    Government Document Microfilm Book
  4. 4

    Geology and chemical analyses of coal and coal-associated rock samples, Williams Fork Formation (Upper Cretaceous), northwestern Colorado

    Published: U.S. Department of the Interior, Geological Survey, 1981
    Other Authors: “…Hildebrand, Ricky T.…”
    Physical Description: 1 volume : illustrations, 3 maps ; 28 cm.
    Government Document Microfilm Book
  5. 5

    Analyses of lignites and associated rocks from the Fort Union region, North Dakota and Montana

    Authors: Tewalt, Susan J.
    Published: U.S. Department of the Interior, Geological Survey : [Books and Open-File Reports Section, distributor], 1989
    Other Authors: “…Hildebrand, Ricky T.…”
    Physical Description: 4 microfiches : negative, map.
    Government Document Microfilm Book