Timothy H. O'Sullivan,
1871-1874 (survey), 1874 (expedition), 46. Baldy Peak, Cerro Blanco Mountains, Colorado, 14,234 feet above sea-level. Limit in altitude of vegetation about 11,000 feet., [Wheeler Survey, Explorations and Surveys West of the 100th Meridian], Stereocard, detail,
Etherton Gallery,
LL/24799