Atlas to Accompany Monograph XXXI on the Geology of the Aspen District Colorado.
A highly desirable work on this now elite area of Colorado. Twenty seven maps detail different areas topography and geology, specifically, Aspen, Tourtelotte, Hunter Park, Smuggler Mountain and others. Includes the sought after "Aspen Special" sheet that details the town, its streets and nearby mines.
Condition of the binding is good, the spine is a bit loose and the boards worn, but the contents are very clean and solid. Overall size is approximately 21.5 x 18.5 (inches)