Spud pile jetting for Mackinac Bridge (2 of 2)

A crew jets a spud pile into toe bottom., Electronic reproduction of photograph.  The Mackinac Bridge 1954 - 1958. Mackinac Bridge Authority
Abstract/Description: A crew jets a spud pile into toe bottom.
Subject(s): Bridges--Design and construction
St. Ignace (Mich.)
Mackinaw City (Mich.)
Mackinac Bridge (Mich.)
Date Created: 1954 (approximate)