81 | Add to Reading ListSource URL: cardinalcreek.orgLanguage: English - Date: 2013-08-28 22:19:52
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82 | Add to Reading ListSource URL: presentations.copernicus.orgLanguage: English - Date: 2011-04-29 01:51:18
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83 | Add to Reading ListSource URL: speleogenesis.infoLanguage: English - Date: 2009-12-02 17:56:35
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84 | Add to Reading ListSource URL: speleogenesis.infoLanguage: English - Date: 2009-12-02 15:47:38
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85 | Add to Reading ListSource URL: carsologica.zrc-sazu.siLanguage: English - Date: 2006-08-07 12:15:51
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86 | Add to Reading ListSource URL: www.caves.orgLanguage: English - Date: 2008-03-06 14:13:01
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87 | Add to Reading ListSource URL: www.mcconnellsprings.orgLanguage: English - Date: 2009-03-28 22:14:48
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88 | Add to Reading ListSource URL: www.dcr.virginia.govLanguage: English - Date: 2013-06-21 19:21:19
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89 | Add to Reading ListSource URL: www.boku.ac.atLanguage: English - Date: 2005-08-14 12:14:00
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90 | Add to Reading ListSource URL: wvvw.caves.orgLanguage: English - Date: 2009-01-24 21:52:20
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