1 | Add to Reading ListSource URL: www.usgs.govLanguage: English - Date: 2011-06-15 14:26:26
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2 | Add to Reading ListSource URL: www.usgs.govLanguage: English - Date: 2011-06-08 18:49:50
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3 | Add to Reading ListSource URL: www.usgs.govLanguage: English - Date: 2011-06-10 10:35:44
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4 | Add to Reading ListSource URL: pubs.usgs.govLanguage: English - Date: 2003-07-21 15:58:58
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5 | Add to Reading ListSource URL: pubs.usgs.govLanguage: English - Date: 2007-06-28 14:54:05
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6 | Add to Reading ListSource URL: pubs.usgs.govLanguage: English - Date: 2010-11-17 12:46:45
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7 | Add to Reading ListSource URL: pubs.usgs.govLanguage: English - Date: 2010-11-17 12:46:45
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8 | Add to Reading ListSource URL: pubs.usgs.govLanguage: English - Date: 2007-11-05 13:10:06
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9 | Add to Reading ListSource URL: pubs.usgs.govLanguage: English - Date: 2003-08-18 14:49:16
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10 | Add to Reading ListSource URL: pubs.usgs.govLanguage: English - Date: 2000-11-07 01:57:54
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