301 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 1997-09-02 11:00:08
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302 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2014-06-06 13:39:28
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303 | Add to Reading ListSource URL: digital.library.okstate.eduLanguage: English - Date: 2009-01-09 17:02:58
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304 | Add to Reading ListSource URL: digital.library.okstate.eduLanguage: English - Date: 2009-01-09 16:55:23
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305 | Add to Reading ListSource URL: digital.library.okstate.eduLanguage: English - Date: 2009-01-09 17:05:58
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306 | Add to Reading ListSource URL: www.imwa.infoLanguage: English - Date: 2013-07-13 05:46:01
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307 | Add to Reading ListSource URL: www.aapfco.orgLanguage: English - Date: 2013-08-30 16:39:25
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308 | Add to Reading ListSource URL: cbsa-asfc.gc.caLanguage: English - Date: 2013-11-22 13:58:16
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309 | Add to Reading ListSource URL: www.sera17.ext.vt.eduLanguage: English - Date: 2005-05-24 16:14:43
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310 | Add to Reading ListSource URL: mda.maryland.govLanguage: English - Date: 2014-07-15 09:05:44
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