01373cam a22003011 4500 gs 65000218 DLC 20260227111416.0 780204s1965 dcuab b f000 0 eng gs 65000218 (OCoLC)3603842 DLC OClU OCoLC DLC QE75 .P9 no. 463 Denson, N. M. (Norman MacLaren), 1914- Uranium-bearing lignite and carbonaceous shale in the southwestern part of the Williston Basin; a regional study, by N. M. Denson and J. R. Gill. With a section on Heavy minerals in Cretaceous and Tertiary rocks associated with uranium occurrences, W. A. Chisholm. Washington, U.S. Govt. Print. Off., 1965. 75 p. illus., maps. and portfolio (8 fold. illus., 11 fold. maps (8 col.)) 29 cm. Geological Survey (U.S.). Professional paper, 463 Prepared on behalf of the U. S. Atomic Energy Commission. Bibliography: p. 67-71. Uranium ores West (U.S.) Geology West (U.S.) Mineralogy West (U.S.) Rocks Analysis Gill, James R. (James Rogers), 1922-1972, joint author. Chisholm, Wayne A. Heavy minerals in Cretaceous and Tertiary rocks associated with uranium occurrences. Williston Basin. 30029 30029