JILLSON, Willard Rouse <br/><br/>
Physiographic effects of the volcanism of Mt. St. Helens 

 - New York  1921 
 - 33cm. 
<br/><br/> Offprint from The Geographical Review, July 1921 
<br/><br/><label>Dewey Class. No.: </label>425 
<br/><br/><label>Report. No.: </label>T415.25