| * Anna, L., 2009, Geologic assessment of undiscovered oil and gas in the Powder River Basin Province, Wyoming and Montana: U.S. Geological Survey Digital Data Series DDS–69–U, p. 93. | | * Anna, L., 2009, Geologic assessment of undiscovered oil and gas in the Powder River Basin Province, Wyoming and Montana: U.S. Geological Survey Digital Data Series DDS–69–U, p. 93. |
− | * Craddock, W.H., Drake, R.M., II, Mars, J.C., Merrill, M.D., Warwick, P.D., Blondes, M.S., Gosai, M.A., Freeman, P.A., Cahan, S.M., DeVera, C.A., and Lohr, C.D., 2012, Geologic framework for the national assessment of carbon dioxide storage resources—Powder River Basin, Wyoming, Montana, South Dakota, and Nebraska, chap. B of Warwick, P.D., and Corum, M.D., eds., Geologic framework for the national assessment of carbon dioxide storage resources: U.S. Geological Survey Open-File Report 2012–1024–B, 30 p. | + | * Craddock, W. H., R. M. Drake II, J. C. Mars, M. D. Merrill, P. D. Warwick, M. S. Blondes, M. A. Gosai, et. al, 2012, Geologic framework for the national assessment of carbon dioxide storage resources—Powder River Basin, Wyoming, Montana, South Dakota, and Nebraska, ''in'' P. D. Warwick and M. D. Corum, eds., Geologic framework for the national assessment of carbon dioxide storage resources: U.S. Geological Survey Open-File Report 2012–1024–B, 30 p. |