Permian or "permo-carboniferous" of the eastern foothills of the Rocky Mountains in Colorado
By: by R.M. Butters.
Contributors: Colorado Geological Survey.
Series: Bulletin -- 5, pt. 2; Bulletin (Colorado Geological Survey) -- 5, pt. 2
Publisher: Colorado Geological Survey
Published: 1913
Place of publication: Boulder
Language: eng
Number of pages: 101
Subjects: Geology -- Colorado.; Geology, Stratigraphic -- Permiano.
Notes: Includes bibliographical references (p. 92-94) and index.