CLARK, Thomas H. <br/><br/>
The Geological evolution of North America : a regional approach to historical ge 

 - New York  The Ronald Press Company.  1960 
 - vi, 434 p. 
<br/><br/><label>ISBN: </label>74250 
<br/><br/><label>Dewey Class. No.: </label>910.11  / CLA