821 | Add to Reading ListSource URL: www.clays.orgLanguage: English - Date: 2009-04-16 14:12:02
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822 | Add to Reading ListSource URL: files.dnr.state.mn.usLanguage: English - Date: 2016-06-20 07:41:09
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823 | Add to Reading ListSource URL: www.ccm.udel.eduLanguage: English - Date: 2016-05-18 10:27:35
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824 | Add to Reading ListSource URL: minerals.nv.govLanguage: English - Date: 2015-12-23 14:16:56
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825 | Add to Reading ListSource URL: www.aipea.orgLanguage: English - Date: 2015-03-31 07:20:00
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826 | Add to Reading ListSource URL: www.ggg.glLanguage: English - Date: 2016-01-22 12:59:43
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827 | Add to Reading ListSource URL: minerals.statedevelopment.sa.gov.au- Date: 2013-06-27 20:02:10
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828 | Add to Reading ListSource URL: cfse.ps.uci.eduLanguage: English - Date: 2011-11-02 16:52:51
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829 | Add to Reading ListSource URL: www.crec.ifas.ufl.eduLanguage: English - Date: 2016-04-14 11:38:36
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830 | Add to Reading ListSource URL: elementsmagazine.orgLanguage: English - Date: 2016-07-27 15:06:31
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