St. Clair Tunnel, Sarnia Pump House, Northeast of east portal, Port Huron, St. Clair County, MI
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Northeast of east portal, Port Huron, MI
Find maps of Port Huron, MI
Documentation compiled after 1968.
Survey number HAER MI-67-B
Significance: This pump house has served as a critical component of the drainage system built to prevent surface runoff from the 14-acre watershed created by the open-cut approach to the Sarnia (east) portal of the St. Clair Tunnel from entering into the tunnel proper. The pumping equipment in place today is of recent vintage and is the second generation of equipment to operate in this pump house.
Historic American Engineering Record (Library of Congress)
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