281 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2014-03-07 15:28:38
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282 | Add to Reading ListSource URL: www.lic.wisc.eduLanguage: English - Date: 2012-01-23 21:20:11
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283 | Add to Reading ListSource URL: www.lic.wisc.eduLanguage: English - Date: 2013-01-31 15:45:51
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284 | Add to Reading ListSource URL: www.lic.wisc.eduLanguage: English - Date: 2012-01-23 11:55:03
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285 | Add to Reading ListSource URL: www.energy.alberta.caLanguage: English - Date: 2013-10-31 18:03:45
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286 | Add to Reading ListSource URL: www.nr.gov.nl.caLanguage: English - Date: 2014-01-08 08:18:14
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287 | Add to Reading ListSource URL: www.epa.govLanguage: English - Date: 2012-04-04 12:13:48
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288 | Add to Reading ListSource URL: www.nps.govLanguage: English - Date: 2011-08-23 13:36:28
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289 | Add to Reading ListSource URL: www.michigan.govLanguage: English - Date: 2013-07-31 11:46:03
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290 | Add to Reading ListSource URL: ia.water.usgs.govLanguage: English - Date: 2013-07-16 14:04:05
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