21 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2007-01-17 09:45:11
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22 | Add to Reading ListSource URL: www.boraxminers.comLanguage: English - Date: 2010-04-25 18:05:39
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23 | Add to Reading ListSource URL: www.boraxminers.comLanguage: English - Date: 2010-05-14 14:26:43
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24 | Add to Reading ListSource URL: www.boraxminers.comLanguage: English - Date: 2010-05-04 16:09:50
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25 | Add to Reading ListSource URL: www.nrel.govLanguage: English - Date: 2006-06-12 17:34:56
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26 | Add to Reading ListSource URL: www.chem.queensu.caLanguage: English - Date: 2008-11-08 20:19:11
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27 | Add to Reading ListSource URL: pubs.usgs.govLanguage: English - Date: 2005-09-09 13:52:24
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28 | Add to Reading ListSource URL: www-d0.fnal.govLanguage: English - Date: 2004-01-20 15:02:50
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29 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2003-02-11 14:31:26
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