Wells, A. K. <br/><br/>
Outline of historical geology 

 - London  George Allen and Unwin  1938 
 - xiv, 266 
<br/><br/> With illustration 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Earth sciences<br/>Geology
<br/><br/><label>Dewey Class. No.: </label>551  / W462o