31 | Add to Reading ListSource URL: minerals.er.usgs.govLanguage: English - Date: 1998-07-28 09:55:16
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32 | Add to Reading ListSource URL: minerals.er.usgs.govLanguage: English - Date: 2000-11-27 14:21:44
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33 | Add to Reading ListSource URL: minerals.er.usgs.govLanguage: English - Date: 1997-07-08 08:32:37
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34 | Add to Reading ListSource URL: minerals.er.usgs.govLanguage: English - Date: 2000-02-15 10:38:55
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35 | Add to Reading ListSource URL: minerals.er.usgs.govLanguage: English - Date: 1997-06-17 08:36:42
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36 | Add to Reading ListSource URL: minerals.er.usgs.govLanguage: English - Date: 1998-07-06 13:27:26
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37 | Add to Reading ListSource URL: minerals.er.usgs.govLanguage: English - Date: 1998-09-02 07:27:00
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38 | Add to Reading ListSource URL: minerals.er.usgs.govLanguage: English - Date: 1996-07-15 09:29:52
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39 | Add to Reading ListSource URL: minerals.er.usgs.govLanguage: English - Date: 1996-09-10 13:18:07
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40 | Add to Reading ListSource URL: minerals.er.usgs.govLanguage: English - Date: 1996-11-05 15:00:11
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