27.5 × 20.1 cm (image and sheet) 49.5 × 39.2 cm (support)
Place/s of Execution
Arizona, United States
printed in ink on support u.c.: WAR DEPARTMENT, CORPS OF ENGINEERS, U.S. ARMY. / Georgraphical Explorations and Surveys West of the 100th Meridian Expedition of 1872. Under command of Lieut. Geo. M. Wheeler, Corps of Engrs. inscribed in ink on support l.c.: T. H. O'Sullivan, Phot. No.5 / GRAND CANON, COLORADO RIVER, NEAR PARIA CREEK, LOOKING WEST.