List_of_tunnels_documented_by_the_Historic_American_Engineering_Record_in_Colorado

List of tunnels documented by the Historic American Engineering Record in Colorado

List of tunnels documented by the Historic American Engineering Record in Colorado

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This is a list of tunnels documented by the Historic American Engineering Record in the U.S. state of Colorado.[1]

Tunnels

More information Survey No., Name (as assigned by HAER) ...

See also

References

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  1. [1]
    Library of Congress. "Prints and Photographs Online Catalog: Historic American Buildings Survey/Historic American Engineering Record/Historic American Landscapes Survey". Retrieved January 2, 2022.
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