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| Uploaded by | U.S. Department of Energy |
|---|---|
| License | United States Government Work |
| Comments | 0 |
| Favorites | 0 |
| Views | 810 |
| Date taken | 2014-06-23 14:06:39 |
| Date uploaded | 2014-06-23 |
| Tags | coal |
| Visibility | public |
| Uploaded by | U.S. Department of Energy |
|---|---|
| License | United States Government Work |
| Comments | 0 |
| Favorites | 0 |
| Views | 810 |
| Date taken | 2014-06-23 14:06:39 |
| Date uploaded | 2014-06-23 |
| Tags | coal |
| Visibility | public |