Beus Stanley S Ed. <br/><br/>
Grand canyon geology 

 - New York       Oxford University Press        1990 
 - 518p.  cm. 
<br/><br/><label>Standard No.: </label>44838 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology
<br/><br/><label>Dewey Class. No.: </label>H:12.7342, N0