Black and white map of the Cottonwood Pass quadrangle in Eagle and Garfield Counties. Includes cross section, booklet of extended descriptions of map units, geologic setting, economic geology, and references. 15 pages. 1 plate (1:24,000). Superseded by colorized, digital map MS-37. Digital PDF download. OF-97-04D
Streufert, Randall K., Robert M. Kirkham, Beth L. Widmann, and Timothy J. Schroeder II. “OF-97-04 Geologic Map of the Cottonwood Pass Quadrangle, Eagle and Garfield Counties, Colorado.” Geologic. Open File Report. Denver, CO: Colorado Geological Survey, Division of Minerals and Geology, Department of Natural Resources, 1997.