Day in History, August 25 Aug 25, 2008 10:12:54 GMT -5 Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by L Roebuck on Aug 25, 2008 10:12:54 GMT -5 1958 -- 50 years ago Five area men are in the third day of what they hope will be a record-setting exploration of Mystery Cave, near Spring Valley. They plan to stay underground for a week and hope to find a new entrance to the cave. Full Article