Cable anchor pier for Mackinac Bridge (3 of 3)

With sighting rods (white sticks) in place, cranes lower the framework for pier No. 17, the sough anchor pier, into exact position as surveyors give direction by radio from several of the seven surveying towers placed in the Mackinac Straits area., Electronic reproduction of photograph.  The Mackinac Bridge 1954 - 1958. Mackinac Bridge Authority
Abstract/Description: With sighting rods (white sticks) in place, cranes lower the framework for pier No. 17, the sough anchor pier, into exact position as surveyors give direction by radio from several of the seven surveying towers placed in the Mackinac Straits area.
Subject(s): Bridges--Design and construction
St. Ignace (Mich.)
Mackinaw City (Mich.)
Mackinac Bridge (Mich.)
Date Created: 1954 (approximate)