topic

• Bison1
• Lumber industry1
• Packtrains1
• Rock formations1
• Sheep1
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name

collection

• Robert N. Dennis collection of stereoscopic views10

place

• Colorado10
• Boulder County (Colo.)2
• Black Hawk (Colo.)1
• Central City (Colo.)1
• Denver (Colo.)1
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genre

• Photographs10
• Stereographs10

division

• Wallach Division: Photography Collection10

type

• still image10