331 | Add to Reading ListSource URL: pubs.usgs.govLanguage: English - Date: 2010-10-01 13:45:40
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332 | Add to Reading ListSource URL: www.schloetter.deLanguage: English - Date: 2014-01-16 04:59:35
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333 | Add to Reading ListSource URL: www.schloetter.deLanguage: English - Date: 2011-03-10 07:12:51
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334 | Add to Reading ListSource URL: stemed.unm.eduLanguage: English - Date: 2008-07-31 13:50:54
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335 | Add to Reading ListSource URL: www.minsocam.orgLanguage: English - Date: 2007-04-04 21:36:00
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336 | Add to Reading ListSource URL: www.epa.govLanguage: English - Date: 2011-04-15 11:39:54
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337 | Add to Reading ListSource URL: www.dot.state.tx.usLanguage: English - Date: 2012-09-06 17:38:10
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338 | Add to Reading ListSource URL: www.dot.state.tx.usLanguage: English - Date: 2012-09-06 17:22:40
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339 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2003-03-20 08:06:28
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340 | Add to Reading ListSource URL: www.dot.state.tx.usLanguage: English - Date: 2012-09-06 17:50:28
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