81 | Add to Reading ListSource URL: www.ldeo.columbia.eduLanguage: English - Date: 2010-12-23 10:00:46
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82 | Add to Reading ListSource URL: greatlakes-seaway.comLanguage: English - Date: 2013-03-21 15:21:34
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83 | Add to Reading ListSource URL: www.icdp-online.orgLanguage: English - Date: 2014-08-26 04:40:41
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84 | Add to Reading ListSource URL: www.basslake.comLanguage: English - Date: 2014-03-10 14:29:16
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85 | Add to Reading ListSource URL: www.aslo.orgLanguage: English - Date: 2004-12-31 01:00:00
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86 | Add to Reading ListSource URL: www.dnr.state.md.usLanguage: English - Date: 2014-07-29 10:42:44
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87 | Add to Reading ListSource URL: serc.si.eduLanguage: English - Date: 2006-03-17 14:27:07
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88 | Add to Reading ListSource URL: www.leapbio.orgLanguage: English - Date: 2014-06-29 10:17:11
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89 | Add to Reading ListSource URL: www.heartoftherockies.netLanguage: English - Date: 2000-11-19 21:47:40
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90 | Add to Reading ListSource URL: www.state.me.usLanguage: English - Date: 2014-01-30 14:45:33
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