Geological Survey (U.S.) & Seeland, D. A. (1993). Geophysical log signatures of lower Tertiary and upper Cretaceous rocks in the Powder River Basin, Wyoming and Montana. U.S. Geological Survey.
Chicago Style (17th ed.) CitationGeological Survey (U.S.) and David A. Seeland. Geophysical Log Signatures of Lower Tertiary and Upper Cretaceous Rocks in the Powder River Basin, Wyoming and Montana. [Reston, Va.]: U.S. Geological Survey, 1993.
MLA (9th ed.) CitationGeological Survey (U.S.) and David A. Seeland. Geophysical Log Signatures of Lower Tertiary and Upper Cretaceous Rocks in the Powder River Basin, Wyoming and Montana. U.S. Geological Survey, 1993.
Warning: These citations may not always be 100% accurate.