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Colorado Geologic Highway Map by GTR Mapping published by GTR Mapping (1998) [Map]
#G-1. COLORADO Geologic Highway Map Geological formations are depicted in full color, along with cities, towns, interstates, highways, and some local roads. Also a Geologic Explanation, Description of Formations, and a Cross Section on the front. On the back is a full color shaded elevation map of Colorado, with selected mining districts and dinosaur localities, along with text information. ISBN 10: 1-881262-00-6 UPC: 7 42663 69501 7 Size: 24x37 .. Folded: 4 1/8 x 9 Scale: 1:1,000,000 .. 1 in. = appx. 16 miles Paper .. 2003 Edition