21 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2014-12-06 13:49:08
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22 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2014-12-06 13:41:53
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23 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2014-09-03 18:22:10
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24 | Add to Reading ListSource URL: preschool.uen.org- Date: 2014-10-02 15:36:37
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25 | Add to Reading ListSource URL: codac.uoregon.eduLanguage: English - Date: 2012-12-28 12:25:38
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26 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 1996-09-16 10:53:41
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27 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2013-04-22 16:28:41
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28 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2013-08-13 13:27:40
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29 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 1996-08-13 14:10:21
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30 | Add to Reading ListSource URL: www.loveachild.comLanguage: English - Date: 2014-06-26 05:58:49
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