1. Quaternary geologic map of the Shelby 1° x 2° quadrangle, Montana Author/Creator: Fullerton, David S., author Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2012 Format: Book Access & Availability: Loading
2. Quaternary sediment thickness and bedrock geology of the glaciated United States east of the Rocky Mountains Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Reston, Va. : U.S. Department of the Interior, U.S. Geological Survey, 2018 Format: Map Access & Availability: Loading