You have heard the joke about the Colorado seasons being winter and construction, and you have seen more forklifts, bulldozers, and wheel loaders than you ever thought possible, so you are somewhat of an expert when it comes to Colorado construction, right? Believe it or not, when most of Colorado’s most famous landmarks were constructed, they didn’t have all of the big machinery you see today, as shown by these 9 rare photos taken during the 1920’s construction of the Moffat Tunnel:

1. "Men and steam locomotive at the construction of the East Portal of the Moffat Tunnel."
History Colorado/84.371.50
2. "Dry plate glass negative depicting two separate exposures taken at the site of the construction of the East Portal of the Moffat Tunnel in Gilpin County during the winter of circa 1922-1923."
History Colorado/84.371.54
3. "Graphic overview of the benefits from construction of the Moffat Tunnel west of Denver (Popular Science Magazine, November 1922)."
Wikimedia Commons
4. "Two men in front of the East Portal of the Moffat Tunnel."
History Colorado/84.371.56

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5. "Buildings at the East Portal of the Moffat Tunnel."
History Colorado/84.371.59
6. "Construction equipment at the Moffat Tunnel."
History Colorado/84.371.63
7. "East Portal of the Moffat Tunnel."
History Colorado/84.371.58
8. "Photo of the interior of the newly completed Moffat Tunnel (1927)."
Wikimedia Commons
9. Outside the newly completed Moffat Tunnel, 1928.
History Colorado/91.142.31

Learn even more about the history of the Moffat Tunnel by clicking Most People Have No Idea This Unique Tunnel In Colorado Exists.

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