1. National Highways preliminary map of the state of Colorado : showing thirty-five hundred miles of Creator: National Highways Association Published / Created: 1916 Call Number: 834gmb 1916 Container / Volume: BRBL_00591 Image Count: 1 Resource Type: Maps, Atlases & Globes Description: "Four fold system of highways: national highways, state highways, county roads, township or town roads." and "Published under direction of General Coleman du Pont." Publisher: The Association, Subject (Name): Du Pont, Coleman, General Subject (Topic): Roads--Colorado--Maps Found in: Beinecke Rare Book and Manuscript Library > National Highways preliminary map of the state of Colorado : showing thirty-five hundred miles of national highways / proposed by the National Highways Association.