Geologic map of the Tungsten quadrangle, Boulder, Gilpin, and Jefferson counties, Colorado
By: by Dolores J. Gable.
Contributors: Geological Survey (U.S.)
Series: Geologic quadrangle map -- GQ-978.
Publisher: U.S. Geological Survey
Place of publication: Washington, D.C
Format: Map
Subjects: Geology -- Colorado -- Boulder County -- Maps.; Geology -- Colorado -- Gilpin County -- Maps.; Geology -- Colorado -- Jefferson County -- Maps.
Genres: Maps.
Other titles: Tungsten quadrangle, Boulder, Gilpin, and Jefferson counties, Colorado.
Notes: Relief shown by contours and spot heights.

"Geology by D.J. Gable, 1966-69, assisted by E.H. Recks, 1968. E.J. Young mapped in the area north of Middle Boulder Creek, 1966."

Includes text and quadrangle location diagram; latter diagram also on envelope.

"Datum is mean sea level."

"References cited."