Office staff for Mackinac Bridge construction (4 of 4)

Office staff manned telephone switchboards, teletype machines, typewriters, two-way radios, and other equipment that sent and received communications, weather information, and schedule data for the bridge project., Electronic reproduction of text.  The Mackinac Bridge 1954 - 1958. Mackinac Bridge Authority
Abstract/Description: Office staff manned telephone switchboards, teletype machines, typewriters, two-way radios, and other equipment that sent and received communications, weather information, and schedule data for the bridge project.
Subject(s): Bridges--Design and construction
St. Ignace (Mich.)
Mackinaw City (Mich.)
Mackinac Bridge (Mich.)
Date Created: 1955 (approximate)