Thirtynine Mile Mountain | [ Sizes: Orig | Large | Med | Small | Thumb ] | |||
Thirtynine Mile Mountain is a remnant of the Tertiary Period Guffey Volcano (inactive for about 30 million years) in the Thirtynine Mile volcanic field. 18 April 2010 |
Image ID: 616376 Hits: 449 ![]() Lat/Lon: 38.83250°N / 105.5552°W Image Type(s): Scenery |
Colorado's Most Prominent Peaks