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| Open water divers in the Royal Springs cavern. Their vertical swimming position stirs up silt and creates a dangerous situation.June 17, 1979; |
| Total images: 34 | Last update: 9/12/11 9:41 AM | Help |
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| Open water divers in the Royal Springs cavern. Their vertical swimming position stirs up silt and creates a dangerous situation.June 17, 1979; |
| Total images: 34 | Last update: 9/12/11 9:41 AM | Help |