----------------------------Original message---------------------------- There's hundreds of hits on the WEB using SPELEOLOGY as the search word. One such search takes you directly into the NATIONAL SPELEOLOGICAL SOCIETY homepage where there's a lengthy list of members; the organizer of the homepage is [log in to unmask] if you can't get into the WEB; [not certain about upper/lower case letters of this address]. My understanding is you must be a member of the NSS or other caving organizations such as the International Union of Speleologists to explore many caves. Speleologists are a tight-knit group who are extremely secretive about their caves. - PML