Clark, Thomas Henry <br/><br/>
Geological evolution of North America 
[by] Thomas H. Clark [and] Colin W. Stearn. 
 - 2d ed. 
 - New York  Ronald Press  [1968] 
 - viii, 570 p.  illus., maps.  26 cm. 
<br/><br/> 921004 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>LCCN: </label>68021648  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology--North America.<br/>Geology, Stratigraphic<br/>Paleontology--North America.
<br/><br/><label>LC Class. No.: </label>QE7  / .C55 1968 
<br/><br/><label>Dewey Class. No.: </label>551.7/0097