1. Some bauxite and clay deposits in northeastern Alabama Author/Creator: Denson, N. M. 1914- (Norman MacLaren) Publication/Creation: Washington [D.C.] : U.S. G.P.O., 1966 Resource Type: Book Is Part Of: U.S. Geological Survey bulletin, no. 1199 H-P. Access & Availability: Loading
2. 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) Publication/Creation: Washington : U.S. Govt. Print. Off, 1965 Resource Type: Book Is Part Of: U.S. Geological Survey professional paper, no. 463-465. Access & Availability: Loading
3. The lignite deposits of the Cheyenne River and Standing Rock Indian reservations, Corson, Dewey, and Ziebach counties, South Dakota and Sioux County, North Dakota Author/Creator: Denson, N. M. 1914- (Norman MacLaren) Publication/Creation: [Washington] : [publisher not identified], 1950 Resource Type: Book Access & Availability: Loading