Pre-Cambrian rocks of Gunnison river, Colorado
By: by J. Frederick Hunter.
Series: U.S. Geological survey.  Bulletin 777
Publisher: Govt. print. off.
Published: 1925
Place of publication: Washington
Language: eng
Number of pages: 94
Subjects: Geology -- Colorado -- Gunnison River Valley.; Geology, Stratigraphic -- Precambrian.
Notes: At head of title: Department of the interior.
Issued also as thesis (Ph. D.) Johns Hopkins university, 1912.
Plates printed on both sides.