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 Resource Type: Map Access & Availability: Loading
2. Stratigraphic cross section of measured sections and drill holes of the Neslen Formation and adjacent formations, Book Cliffs area, Colorado and Utah Author/Creator: Kirschbaum, Mark A., author Publication/Creation: [Reston, VA] : U.S. Department of the Interior, U.S. Geological Survey, 2012 Resource Type: Map Access & Availability: Loading