Natural wonders of the world / 
[Editors, Richard L. Scheffel and Susan J. Wernert]. 
 - Pleasantville, N.Y. :  Reader's Digest,  1980. 
 - 463 p. :  ill., maps. 
<br/><br/><label>ISBN: </label>0895770873 
<br/><br/><label>LCCN: </label>80050353 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Earth sciences--Pictorial works.<br/>Natural monuments--Pictorial works.
<br/><br/><label>Dewey Class. No.: </label>910