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  1. 1
    Map showing locations of radiometric ages of rocks in the Aleutian Islands and Alaska Peninsula /
    Published 1981
    Government Document Map
  2. 2
    Chart showing lithology, mineralogy, and paleontology of the nonmarine North Horn Formation and Flagstaff Member of the Green River Formation, Price Canyon, central Utah : a principal reference section /
    Published 1987
    Government Document Map
  3. 3
    Thickness of upper Cretaceous Lewis Shale, Powder River Basin, Wyoming and Montana /
    Published 1987
    Government Document Microform Map
  4. 4
    Thickness of Teckla sandstone member of the upper Cretaceous Lewis shale, Powder River Basin, Wyoming and Montana /
    Published 1987
    Government Document Microform Map
  5. 5
    Thickness of upper Cretaceous Mesaverde Formation, Powder River Basin, Wyoming and Montana /
    Published 1987
    Government Document Microform Map
  6. 6
    Thickness of Parkman sandstone member of the upper Cretaceous Mesaverde Formation and the Redbird Silty member of the Pierre shale, Powder River Basin, Wyoming and Montana /
    Published 1987
    Government Document Microform Map
  7. 7
    Thickness of upper Cretaceous rocks from the base of the Ardmore bentonite to the base of the Clay Spur bentonite (top of the lower Cretaceous rocks), Powder River Basin, Wyoming and Montana /
    Published 1987
    Government Document Microform Map
  8. 8
    Thickness of Sussex sandstone member of the upper Cretaceous Steele shale, Powder River Basin, Wyoming and Montana /
    Published 1987
    Government Document Microform Map
  9. 9
    Thickness of Shannon sandstone member of the upper Cretaceous Steele shale, Powder River Basin, Wyoming and Montana /
    Published 1987
    Government Document Microform Map
  10. 10
    Thickness of Teapot sandstone member of the upper Cretaceous Mesaverde Formation, Powder River Basin, Wyoming and Montana /
    Published 1987
    Government Document Microform Map
  11. 11
    Thickness of the upper Cretaceous Niobrara Formation, Powder River Basin, Wyoming and Montana /
    Published 1987
    Government Document Microform Map
  12. 12
    Thickness of upper Cretaceous rocks from the base of the Niobrara Formation to the base of the clay spur bentonite (top of lower Cretaceous rocks), Powder River Basin, Wyoming and Montana /
    Published 1987
    Government Document Microform Map
  13. 13
    Thickness of upper Cretaceous rocks from the base of the Niobrara Formation to the top of the Frontier Formation, including the Carlile shale, Greenhorn Formation, and Sage Breaks shale, Powder River Basin, Wyoming and Montana /
    Published 1987
    Government Document Microform Map
  14. 14
    Thickness of upper Cretaceous Greenhorn Formation, Powder River Basin, Wyoming and Montana /
    Published 1987
    Government Document Microform Map
  15. 15
    Structure at the top of the Permian Minnelusa Formation, Powder River Basin, Wyoming and Montana /
    Published 1987
    Government Document Microform Map
  16. 16
    Thickness of lower Cretaceous Mowry shale, Powder River shale, Powder River Basin, Wyoming and Montana /
    Published 1987
    Government Document Microform Map
  17. 17
    Thickness of lower Cretaceous rocks, Powder River Basin, Wyoming and Montana /
    Published 1987
    Government Document Microform Map
  18. 18
    Thickness of upper Cretaceous rocks from the base of the Fox Hills sandstone to the top of the lower Cretaceous rocks, Powder River Basin, Wyoming and Montana /
    Published 1987
    Government Document Microform Map
  19. 19
    Thickness of lower Cretaceous Inyan Kara Group, Powder River Basin, Wyoming and Montana /
    Published 1987
    Government Document Microform Map
  20. 20
    Thickness of Jurassic rocks, Powder River Basin, Wyoming and Montana /
    Published 1987
    Government Document Microform Map
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