topic

• National parks & reserves3
• Sightseers1

name

• Underwood & Underwood4

collection

• Robert N. Dennis collection of stereoscopic views4

place

• Wyoming3
• Yellowstone National Park3
• Arizona1
• Canyons1
• Colorado River (Colo.-Mexico)1
• More Less

genre

• Photographs4
• Stereographs4

publisher

division

• Wallach Division: Photography Collection4

type

• still image4