| Carleton E. Watkins Cascade. Nevada Fall. Yo Semite Cascade. Between the Vernal and Nevada Falls 1861 Collodion stereo positive on glass 6.0 x 7.4 cm (images) 8.3 x 17.1 cm (mount) George Eastman Museum Gift of C. R. Witherspoon, 1982.2364.0005 LL/75277
| |