111 | Add to Reading ListSource URL: www.beg.utexas.edu- Date: 2017-05-26 16:05:51
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112 | Add to Reading ListSource URL: strata.geology.wisc.edu- Date: 2012-09-20 12:12:44
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113 | Add to Reading ListSource URL: www.aipg.org- Date: 2015-06-10 14:09:16
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114 | Add to Reading ListSource URL: www.aipg.org- Date: 2015-06-10 14:06:36
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115 | Add to Reading ListSource URL: pubs.usgs.gov- Date: 2016-11-15 10:43:13
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116 | Add to Reading ListSource URL: geology.isu.edu- Date: 2007-05-14 16:19:52
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117 | Add to Reading ListSource URL: www.lpi.usra.edu- Date: 2004-01-13 12:31:56
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118 | Add to Reading ListSource URL: strata.geology.wisc.edu- Date: 2013-02-18 17:21:42
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119 | Add to Reading ListSource URL: www.sepm.org- Date: 2016-04-13 09:12:01
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120 | Add to Reading ListSource URL: strata.geology.wisc.edu- Date: 2010-01-18 10:43:46
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