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Road Building in Mammoth Cave National Park
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produced by United States. Department of the Interior (District of Columbia: United States. Department of the Interior, 1936), 10 mins
Unedited film. A rope-drawn ferry carries a truck across a stream and trucks dump rocks at a crushing plant. Men place rocks on a conveyor belt, dig in rocky hillside, construct a building, rake gravel dumped by a truck, and remove debris from an abandoned shack that is demolished by a caterpillar truck. A man dis...
produced by United States. Department of the Interior (District of Columbia: United States. Department of the Interior, 1936), 10 mins
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