The Midwestern United States. View of a lake. Dairy cattle graze on a pasture land. A barn in a farm. Farm harvesting machinery in operation. A grain elevator. Cattle in stock yards. Freight rail cars in a busy railroad marshaling area used for transportation. Men work in steel mills. Men on an assembly line building farm tractors. Aerial view of Chicago skyline and skyscrapers. Automobile traffic including cars, trucks, and buses on a roads of Chicago.
The Midwestern United States. Men harvest corn. Corn transported in a tractor. Hogs in a stockyard. Corn is processed in industries. Soybean is harvested in a field.
A dam generates power in Tennessee, United States. A dam on a river in the Tennessee Valley. The architecture of the dam and its power plant. Generators in the power plant.
A dam is constructed under the Tennessee Valley Authority (TVA) in Tennessee, United States. A blast. A crane in operation. A dam and a bridge over the Tennessee River. Workers work on construction of a dam. A section of a huge pipe. Gravel is unloaded from a drum. Workers work on gravel with equipment. The dam generating electrical energy. Huge power plant towers.
Cloth and shoe manufacturing in Tennessee, United States. Looms at a plant. The looms are in operation. Women work on the looms. Clothes roll on machines. Workers work on sewing machines. They sew clothes. Clothes are sealed and packed. The workers sew army uniforms. A worker pushes a trolley rack. Uniforms on the trolley rack. Workers work at machines. Shoes are manufactured. A woman packs shoes into boxes.
Mineral processing in Tennessee, United States. Phosphate rocks are moved by a crane to a plant. The crane drops phosphorus rocks in the plant. They move on a conveyor belt. Views of exterior of the plant. The plant produces fertilizers. Molten metal is poured into a bucket. Two men, wearing eye gear, push a rope. Towers for generating power. Machines are used to break manganese blocks into sheets and then into pieces. They are packed into a container and sealed. A sign on the seal: 'Electro Manganese 99.9%'. Signs: 'Danger, High Voltage' and 'Interchange Bank 154000 Volts, Oil Circuit Breaker'. Towers seen. Machines are used to make aluminum sheets. Aluminum is broken down to make bombs. Aluminum passes through machines. (World War II period).
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