211 | Add to Reading ListSource URL: digital.library.okstate.eduLanguage: English - Date: 2009-01-09 16:59:00
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212 | Add to Reading ListSource URL: digital.library.okstate.eduLanguage: English - Date: 2009-01-09 16:55:23
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213 | Add to Reading ListSource URL: www.dnr.mo.govLanguage: English |
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214 | Add to Reading ListSource URL: www.energy.alberta.caLanguage: English - Date: 2013-10-31 18:07:37
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215 | Add to Reading ListSource URL: www.nature.nps.govLanguage: English - Date: 2000-12-13 19:19:15
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216 | Add to Reading ListSource URL: geomaps.wr.usgs.govLanguage: English - Date: 2001-03-13 04:00:00
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217 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2009-02-02 16:20:35
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218 | Add to Reading ListSource URL: www.geology.gov.yk.caLanguage: English - Date: 2014-06-17 12:23:51
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219 | Add to Reading ListSource URL: www.jsc.nasa.govLanguage: English - Date: 2006-10-12 10:33:18
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220 | Add to Reading ListSource URL: isotope.colorado.eduLanguage: English - Date: 2007-02-06 13:42:29
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