topic

• Geological surveys9
• Canyons4
• Cliffs1
• Rock formations1

name

• O'Sullivan, Timothy H., 1840-18829

collection

• Report upon United States Geographical surveys west of the one hundredth meridian, in charge of First Lieut. Geo. M. Wheeler...U.S. Army. Atlas9

place

• United States9
• West (U.S.)9
• Colorado River (Colo.-Mexico)8
• Arizona5

genre

• Photographs9

publisher

division

• Wallach Division: Photography Collection9

type

• still image9