1. Potentiometric-surface map of water in the Fox Hills-Lower Hell Creek aquifer in the northern Great Plains area of Montana Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: [Reston, Va.] : Department of the Interior, United States Geological Survey , 1982 Format: Map Access & Availability: Loading
2. Precambrian basement geologic map of Montana, an interpretation of aeromagnetic anomalies Author/Creator: Sims, P. K. 1918-2011. (Paul Kibler) Publication/Creation: Denver, Colo. : U.S. Dept. of the Interior, U.S. Geological Survey, 2004 Format: Map Edition: Version 1.0. Access & Availability: Loading
3. Preliminary geologic map of the Townsend 30' x 60' quadrangle, Montana Author/Creator: Reynolds, Mitchell W. Publication/Creation: Denver, Colo. : U.S. Geological Survey, 2006 Format: Map Edition: Version 1.0. Access & Availability: Loading
4. Preliminary geologic map of the White Sulphur Springs 30ʹ x 60ʹ quadrangle, Montana Author/Creator: Reynolds, Mitchell W. Publication/Creation: [Reston, Va.?] : U.S. Geological Survey, 2006 Format: Map Edition: Version 1.0. Access & Availability: Loading