topic

• Canyons2
• Expeditions & surveys2

name

• Jackson, William Henry, 1843-194296
• Union Pacific Railroad Company94
• Geographical Surveys West of the 100th Meridian (U.S.)2

collection

• Robert N. Dennis collection of stereoscopic views96

place

• United States2

genre

• Photographs96
• Stereographs96

publisher

division

• Wallach Division: Photography Collection96

type

• still image96