The Prichard Formation of the lower part of the Belt Supergroup (middle Proterozoic), near Plains, Sanders County, Montana
By: by Earle R. Cressman.
Series: U.S. Geological Survey bulletin ;; 1553
Publisher: U.S. G.P.O.; For sale by the Branch of Distribution, U.S. Geological Survey
Published: 1985
Place of publication: Washington; Alexandria, VA
Language: eng
Number of pages: 64
Subjects: Geology, Stratigraphic -- Proterozoic.; Geology -- Montana -- Sanders County.; Prichard Formation.
Notes: Bibliography: p. 60-64.