Rocker Trays That Clean the Coal and Grade It by Size at the Virginia-Pocahontas Coal Company Mine #4 near Richlands, Virginia the V-P Company Processes Metallurgical Coal Which Is Used in Making Steel 04/1974
| Uploaded by | U.S. National Archives |
|---|---|
| License | No known copyright restrictions |
| Comments | 0 |
| Favorites | 2 |
| Views | 9,360 |
| Date taken | 1974 |
| Date uploaded | 2009-09-10 |
| Tags | usnationalarchives, environmentalprotectionagency, documerica, nara:arcid=556388 |
| Visibility | public |