1. Colton's township map of the state of Iowa / compiled from the United States surveys & other Creator: J.H. Colton & Co Published / Created: 1852 Call Number: 815 1852 Container / Volume: BRBL_00560 Image Count: 1 Resource Type: Maps, Atlases & Globes Found in: Beinecke Rare Book and Manuscript Library > Colton's township map of the state of Iowa / compiled from the United States surveys & other authentic sources ; drawn by Geo. W. Colton ; engraved by J.M. Atwood.