Timothy H. O'Sullivan
1871
Black Canon, Colorado River, Looking Below Near Camp
[Wheeler Survey, Explorations and Surveys West of the 100th Meridian]

Albumen print, on Wheeler Survey mount
h: 8 x w: 10.8 in / h: 20.3 x w: 27.4 cm (photograph) 15.5 x 20 in (mount)
 
Etherton Gallery
Artist, Title, Date & USGS info printed on mount
 
LL/22191