Proterozoic geology of the western and southeastern Needle Mountains, Colorado
Subtitle: field trip guidebook
By: by David A. Gonzales ... [et al.]
Contributors: Gonzales, David A; Geological Survey (U.S.)
Series: Open-file report -- 94-437; U.S. Geological Survey open-file report -- 94-437
Publisher: U.S. Dept. of the Interior, U.S. Geological Survey
Published: 1994
Place of publication: [Reston, Va.?]
Language: eng
Format: Microform
Subjects: Geology, Stratigraphic -- Proterozoic; Geology -- Colorado
Notes: Shipping list no.: 97-0338-M

Microfiche. [Denver, Colo. : U.S. Geological Survey, 1997?] 3 microfiches