Section of a Long Wall Mine with Jacks Holding Up the Ceiling at the Right and the Mining Machine at the Left Where Teeth Rake Coal Onto a Conveyor Belt 04/1974
| Uploaded by | U.S. National Archives |
|---|---|
| License | No known copyright restrictions |
| Comments | 1 |
| Favorites | 3 |
| Views | 12,449 |
| Date taken | 1974 |
| Date uploaded | 2009-09-10 |
| Tags | usnationalarchives, environmentalprotectionagency, documerica, nara:arcid=556366 |
| Visibility | public |