Underground Treasures: How and where to find them, by James
   Orton        53562
     [Link: http://www.gutenberg.org/5/3/5/6/53562 ]
     [Files: 53562-0.txt; 53562-h.htm]
   Thanks to Chuck Greif, deaurider and the Online
   Distributed Proofreading Team at http://www.pgdp.net (This
   file was produced from images generously made available
   by The Internet Archive)
   Chuck