Geologic map of the Drake quadrangle, Larimer County, Colorado
By: by William A. Braddock, Prinya Nutalaya, Stephen J. Gawarecki, and Gary C. Curtin.
Contributors: Nutalaya, Prinya.; Gawarecki, Stephen J.; Curtin, Gary C., 1935-; Geological Survey (U.S.)
Series: Geologic quadrangle map -- GQ-829.
Publisher: U.S. Geological Survey
Place of publication: Washington, D.C
Format: Map
Subjects: Geology -- Colorado -- Larimer County -- Maps.
Genres: Maps.
Other titles: Drake quadrangle, Larimer County, Colorado.
Notes: Relief shown by contours and spot heights.

"Base by U.S. Geological Survey, 1962."

Includes "Sources of geologic mapping" and quadrangle location diagram; diagram also on envelope.

"Datum is mean sea level."

"Reference."