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Wooden sleds drawn by tractor bringing supplies from main road to project at Berwyn, Maryland. During the winter months tractors and mud sleds furnish the only method of getting from the main road to the project. Transportation was chief problem at the new construction. Sourced from the Library of Congress.

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Wooden sleds drawn by tractor bringing supplies from main road to project at Berwyn, Maryland. During the winter months tractors and mud sleds furnish the only method of getting from the main road to the project. Transportation was chief problem at the new construction. Sourced from the Library of Congress.

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