11 | Add to Reading ListSource URL: www.gpo.govLanguage: English - Date: 2014-03-04 16:13:49
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12 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 1997-08-25 10:58:11
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13 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2004-09-14 10:18:38
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14 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2007-08-31 10:50:46
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15 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2006-08-15 08:56:29
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16 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2007-02-22 16:12:58
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17 | Add to Reading ListSource URL: echa.europa.euLanguage: English |
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