1. Mountains, glaciers, and mines : the geological story of the Blue River Valley, Colorado, and its surrounding mountains Author/Creator: Kellogg, Karl S., author Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2016 Resource Type: Book Access & Availability: Loading
2. Geologic map of the Vail East quadrangle, Eagle County, Colorado Author/Creator: Kellogg, Karl S. Publication/Creation: [Reston, Va.?] : U.S. Dept. of the Interior, U.S. Geological Survey, [2003] Resource Type: Map Edition: Version 1.0. Access & Availability: Loading