381 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2014-02-07 15:29:58
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382 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2014-06-12 09:57:49
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383 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2013-12-19 17:11:26
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384 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2014-08-08 17:46:13
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385 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2013-05-31 18:17:56
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386 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2014-06-03 09:41:01
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387 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2013-11-21 17:01:11
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388 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2013-10-21 14:59:21
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389 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2014-07-29 09:24:44
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390 | Add to Reading ListSource URL: www.nixonlibrary.govLanguage: English - Date: 2007-04-04 10:48:03
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