141. Maps. Geologic map of Colorado [with Principal sources of geologic data], compiled by W. S. Burbank, T. S. Lovering, E. N. Goddard, and E. B. Eckel; edited by George W. Stose. Scale 10 m.:=1.3 in., scale 1:500,000 n. p. Bookmark Corporate/Agency Authors: Geological Survey and Interior Dept. Publisher: Geological Survey Date: 1935 SuDoc number: I 19.25:C 71/7/935/sh.1-2