1903 Blue Book of American Shipping (Cleveland, OH) "Hulett Automatic Machine for unloading iron ore on Conneaut (Lake Erie) docks of United States Steel Corporation. Ships of 7,000 gross tons capacity have been unloaded with machines of this kind in
1903 Blue Book of American Shipping (Cleveland, OH) "Hulett Automatic Machine for unloading iron ore on Conneaut (Lake Erie) docks …
Stereoview of steam shovel working in an open pit mine where it is loading iron ore onto rail ore cars for carriage to the ore loaders at the rail head.
Stereoview of steam shovel working in an open pit mine where it …