Anchor pier for Mackinac Bridge (14 of 43)

Aggregate dropped into place at an anchor pier, Electronic reproduction of text.  The Mackinac Bridge 1954 - 1958. Mackinac Bridge Authority
Abstract/Description: Aggregate dropped into place at an anchor pier
Subject(s): Bridges--Design and construction
St. Ignace (Mich.)
Mackinaw City (Mich.)
Mackinac Bridge (Mich.)
Date Created: 1955 (approximate)