https://www.wvhistoryonview.org/catalog/002704https://www.wvhistoryonview.org/image/002704.jpgCoal Mining, Modern Methods of ProductionBrown Bros.Coal mines and mining.Coal-mining machinery.Coal Mines and Mining--Mine Interiors--Machinery.Mine railroads.Coal--Transportation.1-Mining machine, electrically operated, 2. Electric locomotive and coal car train leaving mine, 3. Shaker screen for sorting coal according to size, 4. Coal powerhouse and tipple.West Virginia History OnView