Folsom, Franklin <br/><br/>
Exploring American caves, [their history, geology, lore and location  a spelunker's guide] 

 - New York  Crown Pub.  1956. 
 - 280 p.  illus. 
<br/><br/>Includes bibliography. 
<br/><br/><label>LCCN: </label>56007190 /L 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Caves--United States.
<br/><br/><label>LC Class. No.: </label>GB604  / .F6 1956 
<br/><br/><label>Dewey Class. No.: </label>551.44