Crown fracture in tunnel during construction, Lake Huron Station, Detroit water supply system
Grab
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. 401+75. Photo no. H0N6. Date: 12-14-71. Win Brunner, photographer."