Mackinac Bridge construction during winter (21 of 48)

North tower pier, pier @20 with ice starting to form  (4), Electronic reproduction of photograph.  The Mackinac Bridge 1954 - 1958. Mackinac Bridge Authority
Abstract/Description: North tower pier, pier @20 with ice starting to form (4)
Subject(s): Bridges--Design and construction
St. Ignace (Mich.)
Mackinaw City (Mich.)
Mackinac Bridge (Mich.)
Date Created: 1955-01