701 | Add to Reading ListSource URL: pubs.usgs.govLanguage: English - Date: 2008-04-17 20:38:22
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702 | Add to Reading ListSource URL: pubs.usgs.govLanguage: English - Date: 2001-07-09 17:11:18
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703 | Add to Reading ListSource URL: 199.73.242.12Language: English - Date: 2008-03-27 09:12:57
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704 | Add to Reading ListSource URL: karstwaters.orgLanguage: English - Date: 2012-06-20 16:44:31
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705 | Add to Reading ListSource URL: dnr.missouri.govLanguage: English - Date: 2008-02-01 18:53:39
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706 | Add to Reading ListSource URL: hosted-www.caves.orgLanguage: English - Date: 2008-03-06 13:29:13
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707 | Add to Reading ListSource URL: karstwaters.orgLanguage: English - Date: 2004-01-16 19:35:19
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708 | Add to Reading ListSource URL: www.mcconnellsprings.orgLanguage: English - Date: 2009-03-28 22:14:48
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709 | Add to Reading ListSource URL: www.karstportal.orgLanguage: English - Date: 2012-04-30 06:48:02
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710 | Add to Reading ListSource URL: www.dcr.virginia.govLanguage: English - Date: 2013-06-21 19:29:54
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