Quarry used for Mackinac Bridge (4 of 10)

Machinery, at the Drummond Island quarry, used for screening, sorting, grading, and conveying dolomite limestone like that used in the construction of the Mackinac Bridge, Electronic reproduction of photograph.  The Mackinac Bridge 1954 - 1958. Mackinac Bridge Authority
Abstract/Description: Machinery, at the Drummond Island quarry, used for screening, sorting, grading, and conveying dolomite limestone like that used in the construction of the Mackinac Bridge
Subject(s): Bridges--Design and construction
St. Ignace (Mich.)
Mackinaw City (Mich.)
Mackinac Bridge (Mich.)
Date Created: 1954 (approximate)