301 | Add to Reading ListSource URL: minerals.er.usgs.govLanguage: English - Date: 1996-07-15 09:29:52
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302 | Add to Reading ListSource URL: minerals.er.usgs.govLanguage: English - Date: 1996-09-12 07:53:52
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303 | Add to Reading ListSource URL: minerals.er.usgs.govLanguage: English - Date: 2001-01-26 07:24:14
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304 | Add to Reading ListSource URL: minerals.er.usgs.govLanguage: English - Date: 1998-03-03 13:20:34
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305 | Add to Reading ListSource URL: www.atherton.netLanguage: English - Date: 2011-12-15 19:20:42
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306 | Add to Reading ListSource URL: minerals.er.usgs.govLanguage: English - Date: 2001-11-06 15:08:47
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307 | Add to Reading ListSource URL: www.spearsmfg.comLanguage: English - Date: 2014-05-15 13:12:00
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308 | Add to Reading ListSource URL: minerals.er.usgs.govLanguage: English - Date: 1997-09-18 10:27:34
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309 | Add to Reading ListSource URL: www.britishprecast.orgLanguage: English - Date: 2011-02-01 10:15:29
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310 | Add to Reading ListSource URL: minerals.er.usgs.govLanguage: English - Date: 2015-03-26 09:27:34
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