Technology in transition
Subtitle: the 'Soo' Ship Canal, 1889-1985
By: Robert W. Passfield.
Contributors: Canadian Parks Service. National Historic Parks and Sites.
Series: Studies in archaeology, architecture, and history
Place of publication: Ottawa
Number of pages: 267
Subjects: Canals -- Ontario -- Sault Ste. Marie -- Design and construction -- History.; Sault Ste. Marie Canal (Ont.) -- Design and construction.
Other titles: The Soo Ship Canal, 1889-1985.
Notes: Includes abstract in French. Includes bibliographical references (p. 247-258) and index.

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