471 | Add to Reading ListSource URL: minerals.er.usgs.govLanguage: English - Date: 1996-07-15 09:29:51
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472 | Add to Reading ListSource URL: minerals.er.usgs.govLanguage: English - Date: 2005-06-16 10:05:49
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473 | Add to Reading ListSource URL: minerals.er.usgs.govLanguage: English - Date: 2010-01-05 11:20:57
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474 | Add to Reading ListSource URL: minerals.er.usgs.govLanguage: English - Date: 1998-08-27 10:27:00
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475 | Add to Reading ListSource URL: static1.squarespace.comLanguage: English |
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476 | Add to Reading ListSource URL: minerals.er.usgs.govLanguage: English - Date: 1996-07-15 09:29:42
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477 | Add to Reading ListSource URL: www.jpeaggregates.co.ukLanguage: English - Date: 2011-08-11 07:11:58
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478 | Add to Reading ListSource URL: minerals.er.usgs.govLanguage: English - Date: 2005-06-16 14:29:53
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479 | Add to Reading ListSource URL: www.genopri.orgLanguage: English - Date: 2015-05-21 15:27:09
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480 | Add to Reading ListSource URL: www.campo-nc.usLanguage: English - Date: 2013-02-20 16:14:31
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