Spencer Edgar Winston <br/><br/>
Basic concepts of physical geology 
Spencer Edgar Winston 
 - New York  Crowell U S A        1962 
 - xv,467p.  cm. 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology
<br/><br/><label>Dewey Class. No.: </label>H, K2