Levorsen, A. I.  1894-1965. <br/><br/>
Paleogeologic maps. / 
A. I. Levorsen 
 - San Francisco :  W.H. Freeman ,  c1960 
 - viii, 174 p. :  illus. ;  24 cm. 
<br/><br/>Includes bibliography and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology--Maps.
<br/><br/><label>Dewey Class. No.: </label>551.7084  / LEP 1960