1 | Add to Reading ListSource URL: wwwpaztcn.wr.usgs.govLanguage: English - Date: 2003-06-24 05:00:49
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2 | Add to Reading ListSource URL: www.agiweb.orgLanguage: English - Date: 2002-02-19 12:17:18
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3![1. GEOLOGY ROCKS! (1) Sinkhole in a Cup Sinkholes are formed by groundwater dissolving through layers of gypsum and siltstone. They help make Bottomless Lakes State Park truly unique. (Classroom[removed]minutes) Category](https://www.pdfsearch.io/img/223ccebb072340ef63fb207a46fa3f57.jpg "1. GEOLOGY ROCKS! (1) Sinkhole in a Cup Sinkholes are formed by groundwater dissolving through layers of gypsum and siltstone. They help make Bottomless Lakes State Park truly unique. (Classroom[removed]minutes) Category") | Add to Reading ListSource URL: www.emnrd.state.nm.usLanguage: English - Date: 2010-07-22 10:24:20
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4 | Add to Reading ListSource URL: www.nwtpas.caLanguage: English - Date: 2012-06-29 17:30:40
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5![n[removed]](https://www.pdfsearch.io/img/1ea40cae7994cba7f47616f8a1b279df.jpg "n[removed]") | Add to Reading ListSource URL: ijs.speleo.itLanguage: English - Date: 2010-03-01 03:43:08
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6![Linda M. Doran and Carol A. Hill-Gypsum Trays in Torgac Cave, New Mexico. Journal of Cave and Karst Studies 60(1): [removed]GYPSUM TRAYS IN TORGAC CAVE, NEW MEXICO](https://www.pdfsearch.io/img/6837b77b0f7d16659575605c0c8e3ae1.jpg "Linda M. Doran and Carol A. Hill-Gypsum Trays in Torgac Cave, New Mexico. Journal of Cave and Karst Studies 60(1): [removed]GYPSUM TRAYS IN TORGAC CAVE, NEW MEXICO") | Add to Reading ListSource URL: www.caves.orgLanguage: English - Date: 2008-03-06 13:35:20
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7![International Journal of Speleology[removed])](https://www.pdfsearch.io/img/cb50b73df1804ebadc62b6bb80cdc113.jpg "International Journal of Speleology[removed])") | Add to Reading ListSource URL: www.ijs.speleo.itLanguage: English - Date: 2010-03-01 03:57:47
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8 | Add to Reading ListSource URL: www.handbookofmineralogy.comLanguage: English - Date: 2007-09-30 00:17:10
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9![Mapping the Michigan Natural Storage Gypsum Mine using a Geological Information System (GIS)., #[removed])](https://www.pdfsearch.io/img/ca385db20ef0656e0c1525594e14037b.jpg "Mapping the Michigan Natural Storage Gypsum Mine using a Geological Information System (GIS)., #[removed])") | Add to Reading ListSource URL: www.searchanddiscovery.comLanguage: English - Date: 2011-01-03 12:05:38
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10 | Add to Reading ListSource URL: www.handbookofmineralogy.orgLanguage: English - Date: 2007-09-30 01:42:10
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