Quarry used for Mackinac Bridge (8 of 10)

Power shovel loads a haul truck at the quarry on Drummond Island, MI, fifty miles to the northeast of the bridge site.  Dolomite limestone was crushed to the required size and laced into self-unloading lake freighters which delivered the stone and placed much of it., Electronic reproduction of photograph.  The Mackinac Bridge 1954 - 1958. Mackinac Bridge Authority
Abstract/Description: Power shovel loads a haul truck at the quarry on Drummond Island, MI, fifty miles to the northeast of the bridge site. Dolomite limestone was crushed to the required size and laced into self-unloading lake freighters which delivered the stone and placed much of it.
Subject(s): Bridges--Design and construction
St. Ignace (Mich.)
Mackinaw City (Mich.)
Mackinac Bridge (Mich.)
Date Created: 1954 (approximate)