31 | Add to Reading ListSource URL: www.stevenscoks.orgLanguage: English - Date: 2011-09-13 16:55:53
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32 | Add to Reading ListSource URL: www.stevenscoks.orgLanguage: English - Date: 2011-09-13 16:55:28
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33 | Add to Reading ListSource URL: pubs.usgs.govLanguage: English - Date: 2008-01-10 11:18:33
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34 | Add to Reading ListSource URL: www.blm.govLanguage: English - Date: 2011-06-15 11:24:27
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35 | Add to Reading ListSource URL: www.blm.govLanguage: English - Date: 2011-06-15 11:24:26
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36 | Add to Reading ListSource URL: www.fs.usda.govLanguage: English - Date: 2014-07-03 16:24:03
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37 | Add to Reading ListSource URL: ksag.washburnlaw.eduLanguage: English - Date: 2012-05-17 11:20:08
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38 | Add to Reading ListSource URL: www.blm.govLanguage: English - Date: 2014-07-31 12:29:07
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39 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2007-07-18 18:12:51
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40 | Add to Reading ListSource URL: www.mcdep.comLanguage: English - Date: 2014-05-18 17:39:35
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