311 | Add to Reading ListSource URL: pdfhost.focus.nps.govLanguage: English - Date: 2008-03-18 03:03:38
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312 | Add to Reading ListSource URL: www.handbookofmineralogy.comLanguage: English - Date: 2007-09-30 02:58:20
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313 | Add to Reading ListSource URL: www.handbookofmineralogy.comLanguage: English - Date: 2007-09-30 02:56:14
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314 | Add to Reading ListSource URL: www.handbookofmineralogy.comLanguage: English - Date: 2007-09-30 02:48:38
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315 | Add to Reading ListSource URL: www.handbookofmineralogy.comLanguage: English - Date: 2007-09-30 02:17:30
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316 | Add to Reading ListSource URL: www.handbookofmineralogy.comLanguage: English - Date: 2007-09-30 01:55:18
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317 | Add to Reading ListSource URL: www.english-nature.org.ukLanguage: English - Date: 2003-11-17 11:08:00
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318 | Add to Reading ListSource URL: www.english-nature.org.ukLanguage: English - Date: 2003-11-17 11:04:00
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319 | Add to Reading ListSource URL: www.english-nature.org.ukLanguage: English - Date: 2003-11-17 11:02:00
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320 | Add to Reading ListSource URL: www.english-nature.org.ukLanguage: English - Date: 2003-11-17 11:02:00
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