1. Quaternary geologic map of the Glasgow 1°x2° quadrangle, Montana Author/Creator: Fullerton, David S. Publication/Creation: Denver, CO : U.S. Department of the Interior, U.S. Geological Survey, 2012 Format: Map Access & Availability: Loading
2. Quaternary geologic map of the Havre 1° x 2° quadrangle Author/Creator: Fullerton, David S., cartographer Publication/Creation: [Reston, Virginia] : U.S. Department of the Interior, U.S. Geological Survey, 2012 Format: Map Edition: Version 1.0. Access & Availability: Loading
3. About the geologic map in the National Atlas of the United States of America Author/Creator: Reed, John Calvin, Jr., 1930- Publication/Creation: Reston, Va. : U.S. Geological Survey, 2007 Format: Book Access & Availability: Loading