501 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2013-11-13 12:06:24
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502 | Add to Reading ListSource URL: www.gpsnetworking.comLanguage: English - Date: 2007-09-03 15:57:24
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503 | Add to Reading ListSource URL: www.cga.ct.govLanguage: English - Date: 2013-03-04 11:29:56
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504 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2002-07-17 13:55:00
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505 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 1996-08-05 08:25:50
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506 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 1996-10-02 09:31:32
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507 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2002-03-21 09:16:50
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508 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2000-07-25 14:15:27
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509 | Add to Reading ListSource URL: www.bsef.comLanguage: English - Date: 2013-10-02 04:14:33
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510 | Add to Reading ListSource URL: www.ncbi.nlm.nih.govLanguage: English |
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