Alpine lakes, and mountain scenery, in the Cerro Blanco Mountains, Colorado, 18,000 feet above sea-level. No. 47
Photograph. Albumen stereoview [9 1/4 cm x 15 cm] on a yellow mount [10 cm x 17.5 cm] War Department, Corps of Engineers, U.S.A., Geographical Explorations and Surveys West of the 100th Meridian backstamp. Expedition of 1874. 2" crease with a 1/2" closed tear to top left corner. From the..... More