Lost Lakes, head of Conejos Cañon, Colorado, in the Sierra San Juan range, near divide between Conejos and south fork of Alamosa Rivers, surrounded by forest of Douglass spruce, and approximately 11.000 feel above sea-level, No. 37 from the series "Geographical Explorations and Surveys West of the 100th Meridian"
1874
Timothy O'Sullivan (American, born Ireland, 1840–1882) commissioned by George Wheeler for the War Department, Corps of Engineers, U.S. Army
United States
Albumen print, stereo