Ores are extracted and trees are felled to provide material for industrial development in the United States.
United States USA Date:1947 Duration:2 min 43 sec Sound:Yes
A documentary depicts industrial development in the United States and shows scenes of commerce, industry and natural resources. Pits and quarries in a rocky terrain. Men on a scaffold. An oil field. Coal is fed in a machine. Extraction of copper, granite, iron ore and huge blocks of building stone with the help of bulldozers and other equipment. An open pit mine. Industries for making of glass and smelting of aluminum. Red hot molten copper is cast, drawn, molded and spun. Men near a huge spool of copper wire. A man climbs up a tall tree in a forest. The tree is felled. Men strike at the base of a tall tree with axes to cut it. Trees are felled. Logging is done. Logs are transported to mills through water. The logs are cut and converted into lumber in factories. Framework of a house Stacks of lumber. A printing press. A man near stacks of paper.
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