31 | Add to Reading ListSource URL: www.geol.agh.edu.pl- Date: 2011-09-22 05:12:45
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32 | Add to Reading ListSource URL: nbmg.unr.edu- Date: 2010-11-10 14:58:51
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33 | Add to Reading ListSource URL: www.thefossils.org- Date: 2015-10-30 13:31:45
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34 | Add to Reading ListSource URL: www.echovt.org- Date: 2016-08-02 16:39:39
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35 | Add to Reading ListSource URL: bcgs.info- Date: 2016-03-26 10:24:32
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36 | Add to Reading ListSource URL: www.geocurator.org- Date: 2015-01-26 15:52:23
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37 | Add to Reading ListSource URL: esl-galaxy.comLanguage: English - Date: 2007-05-31 19:40:08
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38 | Add to Reading ListSource URL: comp.uark.eduLanguage: English |
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39 | Add to Reading ListSource URL: www.echovt.orgLanguage: English - Date: 2016-08-02 16:08:14
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40 | Add to Reading ListSource URL: datapreservation.usgs.govLanguage: English - Date: 2014-10-21 19:08:57
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