1. 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), author Publication/Creation: Washington, D.C. : United States Department of the Interior, Geological Survey, 1950 Format: Book Access & Availability: Loading
2. 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 Format: Book Access & Availability: Loading