1. Official road map, Colorado / Conoco Travel Bureau. Creator: H.M. Gousha Company Published / Created: [1935]. Call Number: 834gmb 1935 Container / Volume: BRBL_00591 Image Count: 2 Resource Type: Maps, Atlases & Globes Description: "Official road map, United States," map Subject (Topic): Roads--United States--Maps Found in: Beinecke Rare Book and Manuscript Library > Official road map, Colorado / Conoco Travel Bureau.