Tunnels in Colorado
Below is a list of Colorado Tunnels associated with the atlases in our collection. To see the complete list of Colorado atlases use our Geographic Browse function or Search. By clicking the Geocode Button (if available), you will be shown a list of individual maps which covers that geographic area as well as location of the point of interest highlighted on a modern map.
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HINT: The multiple years listed after an atlases name indicates additional atlases within the collection. In the following example:
There are 21 individual Washtenaw County atlases spanning 84 years. Click each to see the development over time.
University of Michigan (Ann Arbor Campus)
Washtenaw County 1915, 1874, 1895, 1957, 1960, 1964, 1967, 1970, 1973, 1975, 1977, 1979, 1981, 1982, 1985, 1987, 1989, 1991, 1994, 1997, 1999
Washtenaw County 1915, 1874, 1895, 1957, 1960, 1964, 1967, 1970, 1973, 1975, 1977, 1979, 1981, 1982, 1985, 1987, 1989, 1991, 1994, 1997, 1999
There are 21 individual Washtenaw County atlases spanning 84 years. Click each to see the development over time.
You can also find Tunnels
within these Colorado map groups:
within these Colorado map groups:
| Colorado 1878 State Map |
| Colorado 1894 State Map in Relief |
Showing "" through "Saint Vrain Supply Tunnel"...
Alva B Adams Tunnel
Bald Mountain Tunnel
Maps that contain this point of interest:
159 T5N-R70W, Larimer County 1981
159 T5N-R70W, Larimer County 1984
Atlases of this county (Larimer):
Larimer County 1980, 1981, 1984, 1883
Dille Tunnel
Maps that contain this point of interest:
159 T5N-R70W, Larimer County 1981
159 T5N-R70W, Larimer County 1984
Atlases of this county (Larimer):
Larimer County 1980, 1981, 1984, 1883
Laramie Poudre Tunnel
Maps that contain this point of interest:
132 T8N-R75W, Larimer County 1984
Atlases of this county (Larimer):
Larimer County 1980, 1981, 1984, 1883
Olympus Tunnel
Maps that contain this point of interest:
161 T5N-R72W, Larimer County 1984
Atlases of this county (Larimer):
Larimer County 1980, 1981, 1984, 1883
Pole Hill Tunnel
Maps that contain this point of interest:
160 T5N-R71W, Larimer County 1984
Atlases of this county (Larimer):
Larimer County 1980, 1981, 1984, 1883
Prospect Mountain Tunnel
Maps that contain this point of interest:
162 T5N-R73W, Larimer County 1984
Atlases of this county (Larimer):
Larimer County 1980, 1981, 1984, 1883
Rams Horn Tunnel
Maps that contain this point of interest:
166 T4N-R73W, Larimer County 1984
Atlases of this county (Larimer):
Larimer County 1980, 1981, 1984, 1883
Rattlesnake Tunnel
Maps that contain this point of interest:
160 T5N-R71W, Larimer County 1984
Atlases of this county (Larimer):
Larimer County 1980, 1981, 1984, 1883
Saint Vrain Supply Tunnel
Maps that contain this point of interest:
102, E T3N-R70W, Boulder County 1971
102, E T3N-R70W, Boulder County 1984
102, E T3N-R70W, Boulder County 1985
Atlases of this county (Boulder):
Boulder County 1971, 1984, 1985
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