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1. The eighth wonder.

Notes:
viii p., 1 _., 9-64 p. illus., plates, ports, plan. 24 cm. and An account by Carl C. Gray and H. F. Hagen of the Holland Tunnel, especially the ventilating system, installed by B. F. Sturtevant Company.
Data Provider:
University of Michigan. Libraries
Collection:
Boston, Mass.,: B. F. Sturtevant Company and Ann Arbor, Michigan: University of Michigan Library