11 | Add to Reading ListSource URL: pubs.usgs.govLanguage: English - Date: 2014-08-04 14:29:56
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12 | Add to Reading ListSource URL: www2.epa.govLanguage: English - Date: 2012-12-26 10:41:23
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13 | Add to Reading ListSource URL: esrd.alberta.caLanguage: English - Date: 2014-04-02 16:05:57
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14 | Add to Reading ListSource URL: www.caltrans.ca.govLanguage: English - Date: 2012-05-18 13:19:40
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15 | Add to Reading ListSource URL: www.afcec.af.milLanguage: English - Date: 2014-02-18 21:19:59
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16 | Add to Reading ListSource URL: www.waterplan.water.ca.govLanguage: English - Date: 2012-07-11 19:14:56
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17 | Add to Reading ListSource URL: pubs.usgs.govLanguage: English - Date: 2011-03-10 16:20:46
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18 | Add to Reading ListSource URL: pubs.usgs.govLanguage: English - Date: 2005-12-08 17:06:55
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19 | Add to Reading ListSource URL: www.dot.ca.govLanguage: English - Date: 2012-05-18 13:19:40
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20 | Add to Reading ListSource URL: osufacts.okstate.eduLanguage: English |
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