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  1. 1
    Type sections and stratigraphy of the members of the Blackleaf and Marias River Formations (Cretaceous) of the Sweetgrass arch, Montana : a report of a formal subdivision and age assignments of a classic Cretaceous area /
    “...Geological Survey professional paper ;...”
    Government Document Book
  2. 2
    Characteristic marine molluscan fossils from the Dakota sandstone and intertongued Mancos shale, West-central New Mexico /
    “...Geological Survey professional paper ;...”
    Government Document Book
  3. 3
    The Upper Cretaceous (Turonian) ammonite family Coilopoceratidae Hyatt in the western interior of the United States /
    by Cobban, William A., 1916-2015
    Published 1980
    “...Geological Survey professional paper ;...”
    Government Document Book
  4. 4
    Stratigraphy and paleontology of mid-Cretaceous rocks in Minnesota and contiguous areas /
    by Cobban, William A., 1916-2015
    Published 1983
    “...Geological Survey professional paper ;...”
    Government Document Book
  5. 5
    Molluscan record from a mid-Cretaceous borehole in Weston County, Wyoming /
    by Cobban, William A., 1916-2015
    Published 1984
    “...Geological Survey professional paper ;...”
    Government Document Book
  6. 6
    Stratigraphy and geologic history of the Montana group and equivalent rocks, Montana, Wyoming, and North and South Dakota /
    “...Geological Survey professional paper ;...”
    Government Document Book
  7. 7
    Contributions to paleontology, 1963.
    Published 1964
    “...Geological Survey professional paper ;...”
    Government Document Book
  8. 8
    Ammonites from the Navesink Formation at Atlantic Highlands, New Jersey /
    by Cobban, William A., 1916-2015
    Published 1974
    “...Geological Survey professional paper ;...”
    Government Document Book
  9. 9
    New and little-known ammonites from the Upper Cretaceous (Cenomanian and Turonian) of the western interior of the United States /
    by Cobban, William A., 1916-2015
    Published 1971
    “...Geological Survey professional paper ;...”
    Government Document Book
  10. 10
    Stratigraphy and composition of the Sharon Springs Member of the Pierre Shale in western Kansas /
    “...Geological Survey professional paper ;...”
    Government Document Book
  11. 11
    Stratigraphy and nomenclature of some Upper Cretaceous and lower Tertiary rocks in south-central Wyoming /
    “...Geological Survey professional paper ;...”
    Government Document Book
  12. 12
    Stratigraphy and ammonite fauna of the graneros shale and greenhorn limestone near Pueblo, Colorado /
    by Cobban, William A., 1916-2015
    Published 1972
    “...Geological Survey professional paper ;...”
    Government Document Book
  13. 13
    The late Cretaceous ammonites Scaphites leei Reeside and Scaphites hippocrepis (DeKay) in the western interior of the United States /
    by Cobban, William A., 1916-2015
    Published 1969
    “...Geological Survey professional paper ;...”
    Government Document Book
  14. 14
    The late Cretaceous ammonites Scaphites leei Reeside and Scaphites hippocrepis (DeKay) in the western interior of the United States /
    by Cobban, William A., 1916-2015
    Published 1969
    “...Geological Survey professional paper ;...”
    Get full text
    Government Document eBook
  15. 15
    Scaphitoid cephalopods of the Colorado group /
    by Cobban, William A., 1916-2015
    Published 1951
    “...Geological Survey professional paper ;...”
    Get full text
    Government Document eBook
  16. 16
    Stratigraphy of the Pierre Shale, Valley City and Pembina Mountain areas, North Dakota /
    “...Geological Survey professional paper ;...”
    Get full text
    Government Document eBook
  17. 17
    The Red Bird section of the upper Cretaceous Pierre shale in Wyoming /
    “...Geological Survey professional paper ;...”
    Get full text
    Government Document eBook
  18. 18
    Stratigraphy and nomenclature of some Upper Cretaceous and lower Tertiary rocks in south-central Wyoming /
    “...Geological Survey professional paper ;...”
    Get full text
    Government Document eBook
  19. 19
    Studies of the Mowry shale (Cretaceous) and contemporary formations in the United States and Canada /
    “...Geological Survey professional paper ;...”
    Get full text
    Government Document eBook
  20. 20
    Type sections and stratigraphy of the members of the Blackleaf and Marias River Formations (Cretaceous) of the Sweetgrass arch, Montana /
    by Cobban, William A., 1916-2015
    Published 1976
    “...Geological Survey professional paper ;...”
    Get full text
    Government Document eBook
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