You searched for: Institution Walter P. Reuther Library Remove constraint Institution: Walter P. Reuther Library Format photographs Remove constraint Format: photographs Place Detroit Remove constraint Place: Detroit Place Detroit River (Michigan and Ont.) Remove constraint Place: Detroit River (Michigan and Ont.) Topic Flour mills Remove constraint Topic: Flour mills Topic Grain elevators Remove constraint Topic: Grain elevators Topic Railroads Remove constraint Topic: Railroads Topic Shipping Remove constraint Topic: Shipping