Diver working on Mackinac Bridge

Hardhat divers were used on this project to inspect and perform a number of underwater jobs., Electronic reproduction of text.  The Mackinac Bridge 1954 - 1958. Mackinac Bridge Authority
Abstract/Description: Hardhat divers were used on this project to inspect and perform a number of underwater jobs.
Subject(s): Bridges--Design and construction
St. Ignace (Mich.)
Mackinaw City (Mich.)
Mackinac Bridge (Mich.)
Date Created: 1955 (approximate)