Aids to navigation (6 of 6)

Navigation buoys such as this one are used in the straits of Mackinac to guide vessels so they can pass under the center of the suspension span, the deepest part of the straits. The secondary channel is not marked or available to large vessels., Electronic reproduction of text. The Mackinac Bridge 1954 - 1958. Mackinac Bridge Authority
Abstract/Description: Navigation buoys such as this one are used in the straits of Mackinac to guide vessels so they can pass under the center of the suspension span, the deepest part of the straits. The secondary channel is not marked or available to large vessels.
Subject(s): Bridges--Design and construction
St. Ignace (Mich.)
Mackinaw City (Mich.)
Mackinac Bridge (Mich.)
Date Created: 1956 (approximate)
Title: Aids to navigation (6 of 6).
Name(s): Superiorland Library Cooperative, contributor
Mackinac Bridge Authority, contributor
Type of Resource: still image
Date Created: 1956 (approximate)
Physical Form: photographs
Extent: 1 item
Abstract/Description: Navigation buoys such as this one are used in the straits of Mackinac to guide vessels so they can pass under the center of the suspension span, the deepest part of the straits. The secondary channel is not marked or available to large vessels.
Note(s):

Electronic reproduction of text. The Mackinac Bridge 1954 - 1958. Mackinac Bridge Authority
Subject(s): Bridges--Design and construction
St. Ignace (Mich.)
Mackinaw City (Mich.)
Mackinac Bridge (Mich.)
Held by: Superiorland Library Cooperative
Restrictions on Access: In copyright (http://rightsstatements.org/vocab/InC/1.0/)
Is Part Of: Mackinac Bridge Authority photographs. Identifier: SLC-011
In Collections: