Geologic map of the Aspen quadrangle, Pitkin County, Colorado
By: by Bruce Bryant.
Contributors: Geological Survey (U.S.)
Series: Geologic quadrangle map -- GQ-933.
Publisher: Geological Survey
Place of publication: Washington, D.C
Format: Map
Subjects: Geology -- Colorado -- Pitkin County -- Maps.
Genres: Maps.
Other titles: Aspen quadrangle, Pitkin County, Colorado.
Notes: Relief shown by contours and spot heights.

"Geology by Bruce Bryant, 1966-68, assisted by C.E. Beverly, 1966, and D.G. Morse, 1967."

Includes 5 cross sections, geologic and geographic setting, and quadrangle location diagram; latter diagram also on envelope.

"Datum is mean sea level."

"Reference cited."