1. Land classification map of part of south western Colorado [cartographic material] : atlas sheet No Creator: Geographical Surveys West of the 100th Meridian (U.S.) Published / Created: 1879 Call Number: 834 1879B Container / Volume: BRBL_00587 Image Count: 1 Resource Type: Maps, Atlases & Globes Found in: Beinecke Rare Book and Manuscript Library > Land classification map of part of south western Colorado [cartographic material] : atlas sheet No. 61 (D).