1. Continental Oil Co. official road map, Colorado / H.M. Gousha Company ; compliments of Continental Creator: H.M. Gousha Company Published / Created: [1929] Call Number: 834gmb 1929 Container / Volume: BRBL_00591 Image Count: 2 Resource Type: Maps, Atlases & Globes Found in: Beinecke Rare Book and Manuscript Library > Continental Oil Co. official road map, Colorado / H.M. Gousha Company ; compliments of Continental Oil Co.
2. 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 Found in: Beinecke Rare Book and Manuscript Library > Official road map, Colorado / Conoco Travel Bureau.
3. Official road map, Colorado / [prepared for] Shell. Creator: H.M. Gousha Company Published / Created: [1937] Call Number: 834gmb 1937 Container / Volume: BRBL_00591 Image Count: 2 Resource Type: Maps, Atlases & Globes Found in: Beinecke Rare Book and Manuscript Library > Official road map, Colorado / [prepared for] Shell.