Triangulation Map of Colorado **SOLD** - 1877 
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Black and white antique triangulation map of Colorado, by Gardner and Wilson, for the Department of the Interior. Very good overall antique condition, 23 x 35.25 inches.
Black and White Antique Survey Map
Maker: Department of the Interior, USGS/U.S. Geological Survey/Hayden

Maps of Antiquity is located on Cape Cod
Generally open 10-5
Call ahead: 508-945-1660

1409 Main Street (Route 28)
Chatham, Massachusetts 02633