Eastman ‘Transportation on the Great Lakes’ 1931 B+W Sileno Needs Repair, “The Wallace Heaton Film Library Presents”, “Eastman Classroom Films”, “Formation of the Great Lakes”,

“May be used in studying transportation, or any region bordering on the lakes. The first part of the film, dealing with the formation of the lakes, is adapted to physical geography classes. Formation of the Great Lakes. Opening lake traffic. Bulk freighters and car ferries. Package and passenger liners.”