Leith, C. K.  1875-1956. <br/><br/>
Pre-Cambrian rocks of the Lake Superior Region;  a review of newly discovered geologic features, with a revised geologic map / 
C. K. Leith, Richard J. Lund and Andrew Leith. 
 - Washington :  U.S. Govt. Print. Off.,  1935. 
 - ii, 34 p.  fold. col. map (in pocket) fold. tables. ;  29 cm. 
<br/><br/> At head of title: United States Department of the Interior.  Bibliography: p. 26-31. 
<br/><br/><label>LCCN: </label>gs 35000188  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology, Stratigraphic--Precambrian.<br/>Geology--Superior, Lake.
<br/><br/><label>LC Class. No.: </label>QE75  / .P9 no. 184