Correspondence, minutes of meetings, reports, and financial statements relating to the planning, financing, building, and operation of the Mackinac Bridge that joins the Lower and Upper Peninsulas of Michigan.
These records were accumulated by George Osborn who served as a member of the Mackinac Bridge Authority in the period of approximately 1950 to 1967. The record group includes minutes of meetings and correspondence and other materials received from the executive director of the Authority, Lawrence Rubin. In addition, there are various reports and audits, including Engineers Construction Progress Reports.