056 019 009
| Uploaded by | U.S. Department of Energy |
|---|---|
| License | United States Government Work |
| Comments | 0 |
| Favorites | 0 |
| Views | 797 |
| Date taken | 2014-04-22 12:54:54 |
| Date uploaded | 2014-07-14 |
| Tags | coal |
| Visibility | public |
| Uploaded by | U.S. Department of Energy |
|---|---|
| License | United States Government Work |
| Comments | 0 |
| Favorites | 0 |
| Views | 797 |
| Date taken | 2014-04-22 12:54:54 |
| Date uploaded | 2014-07-14 |
| Tags | coal |
| Visibility | public |