471 | Add to Reading ListSource URL: www.alec.orgLanguage: English - Date: 2012-12-13 15:34:41
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472 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2010-03-01 14:26:38
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473 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2013-01-29 14:24:00
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474 | Add to Reading ListSource URL: naturalresources.house.govLanguage: English - Date: 2013-07-08 16:10:27
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475 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2000-12-04 08:33:40
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476 | Add to Reading ListSource URL: www.uscc.govLanguage: English - Date: 2013-02-13 15:54:34
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477 | Add to Reading ListSource URL: www.meti.go.jpLanguage: English - Date: 2013-01-06 01:47:13
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478 | Add to Reading ListSource URL: www.jogmec.go.jpLanguage: English - Date: 2014-07-09 06:32:36
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479 | Add to Reading ListSource URL: pubs.usgs.govLanguage: English - Date: 2008-07-07 17:05:47
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480 | Add to Reading ListSource URL: www.smenet.orgLanguage: English - Date: 2014-07-07 15:21:05
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