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         Speleology General:     more books (33)
  1. Tales of Dirt, Danger, and Darkness by Paul Jay Steward, 1998-01
  2. I Wonder Why Stalactites Hang Down and Other Questions About Caves (I wonder why series) by Jackie Gaff, 2003-03-17
  3. The Longest Cave by James D. Borden, 1987-02-01
  4. Cave Detectives: Unraveling the Mystery of an Ice Age Cave by David L. Harrison, 2007-04-26
  5. Studies of Cave Sediments: Physical and Chemical Records of Paleoclimate

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