1. 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.