141 | Add to Reading ListSource URL: nmgs.nmt.eduLanguage: English - Date: 2008-08-14 12:44:58
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142 | Add to Reading ListSource URL: www.azgs.az.govLanguage: English - Date: 2011-10-05 02:02:22
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143 | Add to Reading ListSource URL: www.nps.govLanguage: English - Date: 2007-09-13 17:28:19
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144 | Add to Reading ListSource URL: ist-socrates.berkeley.eduLanguage: English - Date: 2006-04-13 18:18:33
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145 | Add to Reading ListSource URL: jan.ucc.nau.eduLanguage: English - Date: 2008-02-15 09:55:58
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146 | Add to Reading ListSource URL: censtats.census.govLanguage: English - Date: 2002-05-08 08:39:00
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147 | Add to Reading ListSource URL: pubs.usgs.govLanguage: English - Date: 2007-12-11 14:43:58
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