861![](https://www.pdfsearch.io/img/26f4d725c0f2701c3b6179632399218c.jpg) | Add to Reading ListSource URL: pubs.usgs.govLanguage: English - Date: 2011-09-02 11:39:00
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862![](https://www.pdfsearch.io/img/463f29e240301ca8fafa906c1b12fc99.jpg) | Add to Reading ListSource URL: pubs.usgs.govLanguage: English - Date: 2006-08-31 16:16:16
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863![](https://www.pdfsearch.io/img/a08d5d796b02f2b121e78cfa47807faa.jpg) | Add to Reading ListSource URL: pubs.usgs.govLanguage: English - Date: 2006-09-01 15:18:27
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864![](https://www.pdfsearch.io/img/faa4f5d2e5baafb2f5a73b4f4ff67330.jpg) | Add to Reading ListSource URL: mjlst.umn.eduLanguage: English - Date: 2013-08-12 15:25:10
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865![](https://www.pdfsearch.io/img/4e7024976d4fc643a4b5f5f4f3097d61.jpg) | Add to Reading ListSource URL: dnr.louisiana.govLanguage: English - Date: 2010-11-03 13:54:29
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866![](https://www.pdfsearch.io/img/1dcb4eb694aca5ee4a45d510f404be9b.jpg) | Add to Reading ListSource URL: cce.cornell.eduLanguage: English - Date: 2011-12-02 08:59:45
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867![](https://www.pdfsearch.io/img/cdbd020fd5dd3f82515ff2fad1cbe8de.jpg) | Add to Reading ListSource URL: www.searchanddiscovery.netLanguage: English |
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868![](https://www.pdfsearch.io/img/f5e22204f7feb3f73eb8b374290683b1.jpg) | Add to Reading ListSource URL: www.searchanddiscovery.netLanguage: English |
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869![](https://www.pdfsearch.io/img/d316561b8855399a3404d2dda92f4449.jpg) | Add to Reading ListSource URL: 130.184.236.43Language: English - Date: 2008-10-14 17:21:52
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870![](https://www.pdfsearch.io/img/5993b928dbac83e666d90d4e3eb223dc.jpg) | Add to Reading ListSource URL: marcelluscoalition.orgLanguage: English - Date: 2013-01-14 12:39:04
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