GALLERY
Berthoud Pass, south. Clear Creek County, Colorado. 1874.
U.S. Geological Survey
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This is an Anaglyph (what is that?)
Created about 7 years ago
396 views
Berthoud Pass, south. Clear Creek County, Colorado. 1874.
U.S. Geological Survey
View original item
This is an Anaglyph (what is that?)
Created about 7 years ago
396 views