2013.013.225
Image, Digital
Digital scan of a sepia-toned photo taken of the inside of an excavation dug for the construction of the Detroit-Windsor Tunnel. A framework of beams and boards acting as bracing has been erected inside of the pit. "Section 5 - Detroit & Canada Tunnel. Excavation in Section 5A. Showing Limits of Clamshell Excavation; February 15, 1929, 8B-35," was handwritten on the verso.
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