Aggregate barge (1 of 2)

Truck deliver aggregate to the barge loading equipment which in turn load the barge with limestone that will be used by toe portable concrete mixing plant out at the caisson sites., Electronic reproduction of photograph.  The Mackinac Bridge 1954 - 1958. Mackinac Bridge Authority
Abstract/Description: Truck deliver aggregate to the barge loading equipment which in turn load the barge with limestone that will be used by toe portable concrete mixing plant out at the caisson sites.
Subject(s): Bridges--Design and construction
St. Ignace (Mich.)
Mackinaw City (Mich.)
Mackinac Bridge (Mich.)
Date Created: 1954 (approximate)