Cavers study, explore Iowa's underground jewel Aug 27, 2005 8:17:44 GMT -5 Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by L Roebuck on Aug 27, 2005 8:17:44 GMT -5 Saturday, August 27, 2005 7:35 AM CDTCavers study, explore Iowa's underground jewelBy DAN HAUGEN, Courier Staff Writer BURR OAK --- Gloves grip cold, gritty rungs as boots thud against lower ones.www.wcfcourier.com/articles/2005/08/27/news/top_story/07a8c89608bb33828625706a0002b2fc.txt