Reconnaissance stratigraphy of the Prichard Formation (Middle Proterozoic) and the early development of the Belt basin, Washington, Idaho, and Montana
By: by Earle R. Cressman.
Series: U.S. Geological Survey professional paper ;; 1490
Publisher: U.S. G.P.O.
Published: 1989
Place of publication: Washington
Language: eng
Number of pages: 80
Subjects: Geology, Stratigraphic -- Proterozoic.; Prichard Formation.
Notes: Bibliography: p. 72-80.
Four maps in pockets.