Reichert Powell, Douglas, <br/><br/>
Endless caverns :  an underground journey into the show caves of Appalachia / 
Douglas Reichert Powell. 
 - Chapel Hill :  The University of North Carolina Press,  (c)2018. 
 - 1 online resource :  illustrations, maps 
<br/><br/>Includes bibliographies and index. 
<br/><br/>
<br/><br/><label>ISBN: </label>9781469638645 9781469669441 9781469669434 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Caves--Appalachian Region.<br/>Ecotourism--History.--Appalachian Region
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Electronic Books.
<br/><br/><label>LC Class. No.: </label>GB605  / .E535 2018