Grand Trunk Tunnel Under St. Clair River, Port Huron, Mich., To Sarnia, Canada.
J. B. Sperry
Mike Skreptak Collection; Dexter Box
Postmarked 1910; mouth of the Grand Trunk Tunnel under the St. Clair River, running from Port Huron, Michigan to Sarnia, Ontario; Port Huron side; designed by Joseph Hobson, it opened in 1891; it was 6,025 feet long with a diameter of 19 feet, 10 inches and cost $2.7 million; it was replaced by a new tunnel which opened in 1994; addressed to Mrs. Frank Stuber.
St. Clair Tunnel (Sarnia Port Huron)
Grand Trunk Railway
Hobson, Joseph, Designer
St. Clair Tunnel Company (Sarnia)
St. Clair River
Port Huron (Michigan)
University of Windsor. Leddy Library
Click links to download Tiff images: Tiff Image 1 , Tiff Image 2