1 sheet (with map on verso), large 4° folded into 4° size and so printed as to number 6 pages.
Notes:
[Includes list of special maps and sheets, list of agents who sell topographic maps, etc. Geologic and water-supply reports of Colorado, Apr. 1949, issued separately to accompany topographic index map.]
Notes:
[Includes list of special maps and sheets, list of agents who sell topographic maps, etc. Geologic and water-supply reports of Colorado, Apr. 1949, issued separately to accompany topographic index map.] † Distribution Made by Issuing Office.