USE OF METALS MINED IN CALIFORNIA - 1960S Pan down the high Sierras in California that are sources of the metals Molybdenum and Tungsten to a mining camp at the bottom. Cut to a factory furnace where molten steel is being strengthened with these metals.
Date: 1960s - COLOR Source: Film: 16P Length: 00:00:13:00, No Audio
COAL MINE IN OPERATION - 1 The above ground operations of a turn of the century coal mine. A steel cable brings the containers of coal up to the surface where they are dumped onto a conveyer belt for processing.
COAL MINE IN OPERATION - 3 The above ground operations of a turn of the century coal mine. Workers exit the mine shaft riding railcars that contain the extracted coal, while a train of empty containers passes on its way back into the mine.
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