Railroad and county map of Montana Ty
Relief shown by hachures. Accompanied by: Index to Cram's map of Montana. 4 p. ; 14 cm. Annotated in pencil in cover: c. 1884, immediately after 1st r.r. crossed Montana in 1883. Available also through the Library of Congress Web site as a raster image. Vault Acquisitions control no. 99-26