Early Proterozoic volcanogenic sequences in central Colorado
Subtitle: Colorado Scientific Society fall field trip, September 6-8, 1991
By: John C. Reed, Jr., K. Lee Shropshire
Contributors: Shropshire, Kenneth Lee; Colorado Scientific Society; Geological Survey (U.S.)
Series: Open-file report -- 91-431; U.S. Geological Survey open-file report -- 91-431
Publisher: U.S. Geological Survey; [Books and Open-File Reports Section, distributor
Published: 1991
Place of publication: Denver, Colo
Language: eng
Format: Microform
Number of pages: 29
Subjects: Geology -- Colorado; Geology, Stratigraphic -- Precambrian
Other titles: Colorado Scientific Society field trip
Notes: Distributed to depository libraries in microfiche

Shipping list no.: 92-2538-M

Includes bibliographical references (leaves 25-29)

Microfiche. [Denver, Colo. : U.S. Geological Survey, 1992] 1 microfiche : negative