421 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2003-02-11 12:09:16
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422 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2013-08-05 17:53:41
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423 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2011-02-15 08:18:32
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424 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2000-03-06 12:21:10
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425 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 1998-02-24 11:24:13
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426 | Add to Reading ListSource URL: www.umanitoba.caLanguage: English - Date: 2014-05-23 10:56:01
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427 | Add to Reading ListSource URL: www.osti.govLanguage: English - Date: 2011-07-12 16:24:27
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428 | Add to Reading ListSource URL: www.jcommops.orgLanguage: English - Date: 2008-12-04 05:37:01
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429 | Add to Reading ListSource URL: www.nwcg.govLanguage: English - Date: 2014-06-19 16:01:24
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430 | Add to Reading ListSource URL: democrats.science.house.govLanguage: English - Date: 2013-11-20 10:01:31
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