1. Uranium in coal in the Western United States Author/Creator: Geological Survey (U.S.) Publication/Creation: Washington : U.S. Govt. Print. Off, 1959 Resource Type: Book Access & Availability: Loading
2. Uranium in coal in the Western United States Author/Creator: Denson, N. M. 1914- (Norman MacLaren), author Publication/Creation: Washington, D.C. : United States Department of the Interior, Geological Survey, 1959 Resource Type: Book Access & Availability: Loading
3. Uranium-bearing lignite and carbonaceous shale in the southwestern part of the Williston Basin : a regional study Author/Creator: Denson, N. M. 1914- (Norman MacLaren), author Publication/Creation: Washington : United States Department of the Interior, Geological Survey, 1965 Resource Type: Book Access & Availability: Loading