I am part a a team working on a cave data base project . For those cavers travelling around Europe , it is called Grottocenter
http://www.grottocenter.org//index.php?check_lang_auto=false&lang=En
There is lots of freely accessible information , including location and rigging sheets. There is a forum also to share information . Have a look , you might find it useful !!
http://www.grottocenter.org//index.php?check_lang_auto=false&lang=En
There is lots of freely accessible information , including location and rigging sheets. There is a forum also to share information . Have a look , you might find it useful !!