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.
Prepared on behalf of the U. S. Atomic Energy Commission.