1![STATE OF SOUTH DAKOTA Dennis Daugaard, Governor DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES Steven M. Pirner, Secretary STATE OF SOUTH DAKOTA Dennis Daugaard, Governor DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES Steven M. Pirner, Secretary](https://www.pdfsearch.io/img/d1c4592404aa30162c48eee1c61dcb29.jpg) | Add to Reading ListSource URL: www.sdgs.usd.eduLanguage: English - Date: 2015-03-16 10:42:57
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2![Geology and Hydrocarbon Potential of the Black Island Formation, Winnipeg Group (Ordovician) in North Dakota Timothy O. Nesheim1and Stephan H. Nordeng1 Abstract Across western North Dakota and southeastern Saskatchewan, Geology and Hydrocarbon Potential of the Black Island Formation, Winnipeg Group (Ordovician) in North Dakota Timothy O. Nesheim1and Stephan H. Nordeng1 Abstract Across western North Dakota and southeastern Saskatchewan,](https://www.pdfsearch.io/img/cf3c032fd92d5295a1775e768e1aebed.jpg) | Add to Reading ListSource URL: wbpc.caLanguage: English - Date: 2014-10-31 12:45:05
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3![REGIONAL AQUIFER-SYSTEM ANALYSIS PROGRAM OF THE U.S. GEOLOGICAL SURVEY--BIBLIOGRAPHY, By John B. Weeks and Ren Jen Sun U.S. Geological Survey REGIONAL AQUIFER-SYSTEM ANALYSIS PROGRAM OF THE U.S. GEOLOGICAL SURVEY--BIBLIOGRAPHY, By John B. Weeks and Ren Jen Sun U.S. Geological Survey](https://www.pdfsearch.io/img/1bf7d1814259b4354e6793ddbb6881b6.jpg) | Add to Reading ListSource URL: pubs.usgs.govLanguage: English - Date: 2011-01-05 21:20:28
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4![Native American Heritage Month November is Seven Generations of American Indian and U.S. Geological Survey Relationships Indian pictograph on Dakota sandstone Native American Heritage Month November is Seven Generations of American Indian and U.S. Geological Survey Relationships Indian pictograph on Dakota sandstone](https://www.pdfsearch.io/img/aba263da09fff4b35a9a160c4d669794.jpg) | Add to Reading ListSource URL: www.usgs.govLanguage: English - Date: 2008-11-18 19:17:25
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5![STATE OF SOUTH DAKOTA Dennis Daugaard, Governor DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES Steven M. Pirner, Secretary STATE OF SOUTH DAKOTA Dennis Daugaard, Governor DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES Steven M. Pirner, Secretary](https://www.pdfsearch.io/img/26f3d38d8cf8f63e33178a6cd533233e.jpg) | Add to Reading ListSource URL: www.sdgs.usd.eduLanguage: English - Date: 2014-03-24 12:20:46
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6![Some Notes on the Location of Fossil Leaves from the Dakota Sandstone in Cimmaron County Some Notes on the Location of Fossil Leaves from the Dakota Sandstone in Cimmaron County](https://www.pdfsearch.io/img/9763eb6fc6fa24f2e49556cc77457245.jpg) | Add to Reading ListSource URL: digital.library.okstate.eduLanguage: English - Date: 2009-01-09 16:56:14
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7![Cretaceous, Cambrian, Dakota Lone Rock Formation, and Wonewoc Terra Cotta Cretaceous, Cambrian, Dakota Lone Rock Formation, and Wonewoc Terra Cotta](https://www.pdfsearch.io/img/c08107b2bbcda0a4c85170dec543f889.jpg) | Add to Reading ListSource URL: www.migeweb.orgLanguage: English - Date: 2012-01-25 16:59:46
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