Dyman, T. S., & Nichols, D. J. (1988). Stratigraphy of Mid-Cretaceous Blackleaf and Lower part of the frontier formations in parts of Beaverhead and Madison counties, Montana: Description of Albian and Cenomanian to Turonian strata in Blacktail, Snowerest, Tendoy, and Gravelly Ranges, and Pioneer and McCartney Mountains, Southwest Montana. U.S. Gov. Pr. Office.
Chicago-Zitierstil (17. Ausg.)Dyman, Thaddeus S., und Douglas J. Nichols. Stratigraphy of Mid-Cretaceous Blackleaf and Lower Part of the Frontier Formations in Parts of Beaverhead and Madison Counties, Montana: Description of Albian and Cenomanian to Turonian Strata in Blacktail, Snowerest, Tendoy, and Gravelly Ranges, and Pioneer and McCartney Mountains, Southwest Montana. Washington, D.C: U.S. Gov. Pr. Office, 1988.
MLA-Zitierstil (9. Ausg.)Dyman, Thaddeus S., und Douglas J. Nichols. Stratigraphy of Mid-Cretaceous Blackleaf and Lower Part of the Frontier Formations in Parts of Beaverhead and Madison Counties, Montana: Description of Albian and Cenomanian to Turonian Strata in Blacktail, Snowerest, Tendoy, and Gravelly Ranges, and Pioneer and McCartney Mountains, Southwest Montana. U.S. Gov. Pr. Office, 1988.