Object Type: Folder
In Folder: Archives of Michigan Map Collection
Printed map with a hand drawn line showing the proposed route of a straits of Mackinaw combination bridge and causeway for automobile traffic between the upper and lower peninsulas in Michigan. This proposal is known as the 'Island hopping plan' of 1931. This map shows Bois Blanc, Round, and Mackinac Islands in the Straits of Mackinac. The scale on the original is 2 inches equals 1 mile.
