31 | Add to Reading ListSource URL: www.cag24.org.etLanguage: English - Date: 2012-07-14 06:08:46
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32 | Add to Reading ListSource URL: www-odp.tamu.eduLanguage: English - Date: 2005-05-06 15:08:06
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33 | Add to Reading ListSource URL: pubs.usgs.govLanguage: English - Date: 2011-11-07 15:15:52
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34 | Add to Reading ListSource URL: www.americangeosciences.orgLanguage: English - Date: 2013-12-12 14:31:51
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35 | Add to Reading ListSource URL: rock.geosociety.orgLanguage: English - Date: 2014-09-25 13:43:13
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36 | Add to Reading ListSource URL: www.oregongeology.orgLanguage: English - Date: 2014-09-29 17:41:15
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37 | Add to Reading ListSource URL: www.oregongeology.orgLanguage: English - Date: 2009-12-05 22:27:10
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38 | Add to Reading ListSource URL: www.oregongeology.orgLanguage: English - Date: 2014-09-29 17:56:30
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39 | Add to Reading ListSource URL: www.dnr.wa.govLanguage: English - Date: 2014-09-24 19:29:16
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40 | Add to Reading ListSource URL: www.iavcei.orgLanguage: English - Date: 2013-09-02 17:11:30
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