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Geologic map of the Black Canyon of the Gunnison River and vicinity, western Colorado
Black Canyon of the Gunnison River and vicinity, western Colorado
1 map on 2 sheets : color ; 88 x 172 cm., sheets 98 x 113 cm.
Relief shown by contours and spot heights.
"Geology by Wallace R. Hansen, assisted by Frank R. Karner, 1957; [and others]. Geology in south half of T.48N., R.7W., mapped by Robert G. Dickinson, 1962-63."
Includes 5 geologic sections and index to quadrangles on sheet 1.
Miscellaneous geologic investigations ; map I-584