Map of the Denver and Rio Grande Railway : showing stage lines and all principal mining camps and pleasure resorts in Colorado.
MLA
Map of the Denver and Rio Grande Railway : Showing Stage Lines and All Principal Mining Camps and Pleasure Resorts in Colorado. American Bank Note Co.?, 1881. https://collections.library.yale.edu/catalog/15818475.
APA, 6th edition
Map of the Denver and Rio Grande Railway : showing stage lines and all principal mining camps and pleasure resorts in Colorado. (1881). [Maps]. American Bank Note Co.?, https://collections.library.yale.edu/catalog/15818475.
