1. Continental Oil Co., official road map, Montana / compliments of Continental Oil Co. Creator: H.M. Gousha Company Published / Created: [1929] Call Number: 831gmb 1929 Container / Volume: BRBL_00581 Image Count: 2 Resource Type: Maps, Atlases & Globes Found in: Beinecke Rare Book and Manuscript Library > Continental Oil Co., official road map, Montana / compliments of Continental Oil Co.
2. Official road map, Montana / Conoco Travel Bureau. Creator: H.M. Gousha Company Published / Created: [1937] Call Number: 831gmb 1937 Container / Volume: BRBL_00581 Image Count: 2 Resource Type: Maps, Atlases & Globes Found in: Beinecke Rare Book and Manuscript Library > Official road map, Montana / Conoco Travel Bureau.
3. The official Montana 1977 highway map / prepared by the H.M. Gousha Company. Creator: H.M. Gousha Company Published / Created: c1977. Call Number: 831gmb 1977 Container / Volume: BRBL_00581 Image Count: 2 Resource Type: Maps, Atlases & Globes Found in: Beinecke Rare Book and Manuscript Library > The official Montana 1977 highway map / prepared by the H.M. Gousha Company.