161 | Add to Reading ListSource URL: www.grisda.orgLanguage: English - Date: 2010-01-29 10:54:51
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162 | Add to Reading ListSource URL: sp.lyellcollection.orgLanguage: English |
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163 | Add to Reading ListSource URL: ougs.orgLanguage: English |
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164 | Add to Reading ListSource URL: pubs.usgs.govLanguage: English - Date: 2011-12-23 18:45:28
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165 | Add to Reading ListSource URL: cdn.intechweb.orgLanguage: English - Date: 2012-06-29 09:15:05
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166 | Add to Reading ListSource URL: alaska.usgs.govLanguage: English - Date: 2010-12-27 22:17:36
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