81 | Add to Reading ListSource URL: s.campbellsci.comLanguage: English - Date: 2012-11-05 13:29:47
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82 | Add to Reading ListSource URL: s.campbellsci.comLanguage: English - Date: 2012-11-05 13:32:55
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83 | Add to Reading ListSource URL: www.americanhiking.orgLanguage: English - Date: 2013-05-02 09:44:54
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84 | Add to Reading ListSource URL: ngdc.noaa.gov- Date: 2010-02-24 13:12:23
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85 | Add to Reading ListSource URL: www.geology.sdsu.eduLanguage: English - Date: 2008-08-30 15:04:27
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86 | Add to Reading ListSource URL: media.wiley.comLanguage: English - Date: 2013-09-01 07:10:06
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87 | Add to Reading ListSource URL: oceanservice.noaa.govLanguage: English - Date: 2009-01-30 09:42:58
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88 | Add to Reading ListSource URL: www.nh.govLanguage: English - Date: 2013-08-01 08:37:09
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89 | Add to Reading ListSource URL: www.bio-iob.gc.caLanguage: English - Date: 2013-02-28 09:09:41
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90 | Add to Reading ListSource URL: cse.ssl.berkeley.eduLanguage: English - Date: 2010-01-11 18:14:00
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