A railroad car in Ford River Rouge Plant yard in Detroit, Michigan. Workers and machinery bag 'Ford ammonium sulphate Fertilizer' inside a fertilizer plant. A cement plant outside a fertilizer plant, men load bagged cement on a truck.
Ford railroad cars in Ford River Rouge Plant yard in Detroit, Michigan hauling coal and/or iron ore. Views of Hulett unloader shovels unloading ore from a lake boat; blast furnace ore yard and highline with traveling ore crane; blast furnace skip hoists taking charges of coke, iron ore and limestone to the top of the furnaces. Railroad ladle cars are positioned under the pouring spouts of the blast furnace cast house runners; slag and molten iron are poured into the ladles then taken to the mixer or pig machine.
Workers fill the molds with molten metal from buckets at the Ford River Rouge Plant in Detroit, Michigan.
Quarrying operations done on Sacramento Hill at Bisbee in Arizona. View of open- cut mining at the hillside. An open-pit mining site at Ruth, Nevada. Copper mining at the site.
Soft rock is loosened for steam shovels by blasting it with black powder. A churn drill makes blast holes in the soft rock at a copper mine in Ruth, Nevada.
A steam shovel at work in an open-pit copper mine in Ruth, Nevada. Large scoop of the shovel unloads ore on the ground. Mine workers exit through the scoop of the shovel.