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Alton Tunnel USGS Nederland Quad, Colorado, Topographic Map

Alton Tunnel is a Mine in the state of Colorado (county of Boulder), located at latitude - longitude coordinates (also known as lat-long or GPS coordinates) of N 39.96832 and W -105.53917. Alton Tunnel is shown in the center of the topographic (topo) map, which is sourced from the United States Geographical Survey map USGS Nederland quad. The nearest major town is Boulder, CO.


Projection: NAD83/WGS84
Locator Map


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