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
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
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Photo credit: © PF-(usna) / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: .., agency, archives, documerica, environmental, environmentalprotectionagency, historic, history, nara:arcid=556388, national, protection, usa, usnationalarchives
