Crown fracture in tunnel during construction, Lake Huron Station, Detroit water supply system
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Description
View of crown fracture in tunnel during construction, Lake Huron Station, Detroit water supply system. Printed on front: "Detroit Metro Water Department. Contracts LH-6B & LH-6D. Raw water intake, tunnel & shafts. Lake Huron Project. Crown fracture Sta. 247+00. Photo no. H3N4. Date: 12-14-71. Win Brunner, photographer."