Showing 1 - 20 results of 20 for search '', query time: 0.15s Refine Results
  1. 1
    Measured stratigraphic sections of Lower Cretaceous Blackleaf Formation and Lower Upper Cretaceous Frontier Formation (lower part) in Beaverhead and Madison counties, Montana /
    by Dyman, T. S.
    Published 1985
    Government Document Microform Book
  2. 2
    Petrographic data from the Lower Cretaceous Blackleaf Formation and Lower Upper Cretaceous Frontier Formation (lower part) in Beaverhead and Madison counties, Montana /
    by Dyman, T. S.
    Published 1985
    Government Document Microform Book
  3. 3
    The association of Middle Cambrian rocks and gold deposits in southwest Montana /
    by Ruppel, Edward Thompson, 1925-
    Published 1985
    Government Document Microform Book
  4. 4
    Preliminary stratigraphic correlation of the Cretaceous Blackleaf and lower Frontier Formations in Beaverhead and Madison counties, Montana /
    by Dyman, T. S.
    Published 1985
    Government Document Microform Book
  5. 5
    Description of measured sections of the Pennsylvanian Quadrant Sandstone, Beaverhead, Madison, and Park Counties, southwestern Montana /
    by Saperstone, Herb I.
    Published 1986
    Government Document Microform Book
  6. 6
    Stratigraphic cross section A-Aʹ showing electric logs of Upper Cretaceous and older rocks, Powder River Basin, Big Horn and Powder River counties, Montana /
    Published 1986
    Government Document Microform Map
  7. 7
    Stratigraphic cross section B-Bʹ showing electric logs of Upper Cretaceous and older rocks, Powder River Basin, Big Horn, Powder River and Carter counties, Montana, and Sheridan County, Wyoming /
    Published 1986
    Government Document Microform Map
  8. 8
    Stratigraphic cross section C-Cʹ showing electric logs of Upper Cretaceous and older rocks, Powder River Basin, Powder River and Carter counties, Montana, and Sheridan and Campbell counties, Wyoming /
    Published 1986
    Government Document Microform Map
  9. 9
    Critical deep drillholes and indicated Paleozoic paleotectonic features north of the Snake River downwarp in southern Beaverhead County, Montana, and adjacent Idaho /
    by Perry, William J.
    Published 1986
    Government Document Microform Book
  10. 10
    Stratigraphy, micropaleontology, petrography, carbonate geochemistry, and depositional history of the Proterozoic Libby Formation, Belt Supergroup, northwestern Montana and northeastern Idaho /
    by Kidder, David L.
    Published 1987
    Government Document Microform Book
  11. 11
    Regional significance of lithologic correlation of Mississippian rocks at Pentagon Mountain and the Sawtooth Range, northwestern Montana /
    Published 1986
    Government Document Microform Map
  12. 12
    Analyses of lignites and associated rocks from the Fort Union region, North Dakota and Montana /
    by Tewalt, Susan J.
    Published 1989
    Government Document Microform Book
  13. 13
    Geologic map of the Becker Dam quadrangle, Prairie County, Montana /
    Published 1988
    Government Document Microform Map
  14. 14
    Geologic map of the Bearshack Creek quadrangle, McCone and Prairie counties, Montana /
    Published 1988
    Government Document Microform Map
  15. 15
    A preliminary study of thermometry and metal sources of the Spar Lake strata-bound copper-silver deposit, Belt Supergroup, Montana /
    by Hayes, Timothy Scott
    Published 1990
    Government Document Microform Book
  16. 16
    Late Cretaceous shortening and Cenozoic extension in the northern Madison Range, southwestern Montana /
    by Kellogg, Karl S.
    Published 1994
    Government Document Microform Book
  17. 17
    Organic petrographic and Rock-Eval pyrolysis analyses of Proterozoic belt supergroup rocks, west central Montana.
    by Pawlewicz, M. J.
    Published 1994
    Government Document Microform Book
  18. 18
    Measured sections and correlations of mid-Cretaceous rocks near the Lombard thrust of the Helena salient in southwestern Montana.
    Published 1996
    Government Document Microform Book
  19. 19
    Generation of magmas of the Pioneer batholith : a geologically constrained thermal model.
    by Zen, E-an, 1928-2014
    Published 1996
    Government Document Microform Book
  20. 20
    Geology and petroleum potential, central Montana province /
    by Maughan, Edwin K., 1926-1995
    Published 1989
    Government Document Microform Book
Search Tools: RSS Feed – Email Search