Morey, G. B. <br/><br/>
Correlation of Precambrian rocks of the Lake Superior region, United States / 
by G.B. Morey and W.R. Van Schmus 
 - Washington, D.C. :  U.S. Government Printing Office, U.S. Geological Survey,  1988 
 - 31 p. :  ill., chart (in pocket) ;  29 cm. 
 - Correlation of Precambrian rocks of the United States and Mexico .
 - U.S. Geological Survey professional paper ;  no.1241-F .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology, Stratigraphic--Precambrian<br/>Stratigraphic correlation--Superior, Lake, Region
<br/><br/><label>Dewey Class. No.: </label>551.71097749