DESCRIPTION: Original large folding Geologic Survey Map of Colorado [1] from 1935, dissected and laid to linen. With an inset index map of Colorado. Includes an impressive table of the principal sources of geologic data that were used to compile the map of Colorado, USA. Published by the Department of the Interior, U.S. Geological Survey.
Scarce in this format. Type of rock (igneous, metamorphic, sedimentary) is indicated by color keyed to an extensive index scattered across the right side of the map.
[1] Geologic Map of Colorado by the United States Geological Survey W. C. Mendenhall Director in cooperation with the Colorado State Geological Survey Board and Colorado Metal Mining Fund 1935.
PUBLICATION DATE: 1935
GEOGRAPHIC AREA: United States
BODY OF WATER: N/A
CONDITION: Very good.
 Dissected and laid to linen. Clean and without notable issues.
COLORING: Lithographed color.
ENGRAVER: 
SIZE: 67
" x
48 "
ITEM PHYSICAL LOCATION: 
PRICE: $500
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