File:Oil shale extraction overview.png
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Summary
| Description |
English: Oil shale process diagram, some details removed by uploader
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| Date | March 2004 |
| Source | http://www.fossil.energy.gov/programs/reserves/npr/publications/npr_strategic_significancev2.pdf page 14 |
| Author | Office of Naval Petroleum and Oil Shale Reserves, U.S. Department of Energy |
Licensing
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This image is a work of a United States Department of Energy (or predecessor organization) employee, taken or made as part of that person's official duties. As a work of the U.S. federal government, the image is in the public domain. Please note that national laboratories operate under varying licences and some are not free. Check the site policies of any national lab before crediting it with this tag.
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