Quarry used for Mackinac Bridge (9 of 10)

Power shovel loads a haul truck at one of the quarries used for aggregate used in the Mackinac Bridge construction., Electronic reproduction of photograph.  The Mackinac Bridge 1954 - 1958. Mackinac Bridge Authority
Abstract/Description: Power shovel loads a haul truck at one of the quarries used for aggregate used in the Mackinac Bridge construction.
Subject(s): Bridges--Design and construction
St. Ignace (Mich.)
Mackinaw City (Mich.)
Mackinac Bridge (Mich.)
Date Created: 1954 (approximate)