Holdings: Revisions of stratigraphic nomenclature within the Keweenawan supergroup of northern Michigan

Main Author:	Cannon, William F.
Other Authors:	Nicholson, Suzanne W., Geological Survey (U.S.)
Format:	Book
Language:	English
Published:	Washington : Denver, CO : U.S. G.P.O. ; For sale by Book and Open-File Report Sales, U.S. Geological Survey, 1992.
Physical Description:	1 volume (various pagings) : illustrations, maps ; 28 cm.
Series:	Contributions to the geology and mineral resources of the midcontinent rift system ; ch. A-B. U.S. Geological Survey bulletin ; 1970 A-B.
Subjects:	Geology, Stratigraphic -- Proterozoic. Volcanic ash, tuff, etc. -- Michigan. Rhyolite -- Michigan -- Keweenaw Peninsula. Porcupine Volcanics (Mich.) Bergland Group (Mich.) Copper Harbor Conglomerate (Mich.) Portage Lake Volcanics (Mich.)

Location	Call Number:	Status
CMU Storage Gov Pub	I 19.3:1970-A,B	Available