1. Post route map of the territory of Dakota with adjacent parts of Montana, Wyoming, Nebraska, Iowa Creator: United States. Post Office Dept Published / Created: 1883 Call Number: 821gmd 1883 Container / Volume: BRBL_00566 Image Count: 2 Resource Type: Maps, Atlases & Globes Found in: Beinecke Rare Book and Manuscript Library > Post route map of the territory of Dakota with adjacent parts of Montana, Wyoming, Nebraska, Iowa and Minnesota : and portions of the Dominion of Canada, showing post offices with the intermediate distances between them and mail routes in operation on 1st