1. Railroad map of Michigan / prepared for the Commissioner of Railroads by O.W. Gray & Son. Creator: O.W. Gray & Son Published / Created: 1876 Call Number: 811 1876 Container / Volume: BRBL_00552 Image Count: 1 Resource Type: Maps, Atlases & Globes Found in: Beinecke Rare Book and Manuscript Library > Railroad map of Michigan / prepared for the Commissioner of Railroads by O.W. Gray & Son.