Baldy Peak, Cerro Blanco Mountains, Colorado, 14.234 feet above sea-level. Limit in altitude of vegetation about 11.000 feet, No. 46 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