Section of a Long Wall Mine with Jacks Holding Up the Ceiling at the Left and the Mining Machine in the Foreground and at the Right Where Teeth Rake Coal Onto a Conveyor Belt 04/1974
| Uploaded by | U.S. National Archives |
|---|---|
| License | No known copyright restrictions |
| Comments | 0 |
| Favorites | 2 |
| Views | 12,767 |
| Date taken | 1974 |
| Date uploaded | 2009-09-10 |
| Tags | usnationalarchives, environmentalprotectionagency, documerica, nara:arcid=556365 |
| Visibility | public |