United States. War Department, Lambert, J. t., Stevens, I. I., Siebert, S., & Mechlin, J. R. P. (1861). Map no. 2 Riviere Des Lacs to the Rocky Mountains: Route near the 47th and 49th Parallels : from explorations and surveys made under the direction of the Hon. Jefferson Davis, Secretary of War.
Cita Chicago Style (17a ed.)United States. War Department, John topographer Lambert, Isaac Ingalls Stevens, Selmar Siebert, y J. R. P. Mechlin. Map No. 2 Riviere Des Lacs to the Rocky Mountains: Route Near the 47th and 49th Parallels : From Explorations and Surveys Made Under the Direction of the Hon. Jefferson Davis, Secretary of War. [Washington D.C.], 1861.
Cita MLA (8a ed.)United States. War Department, et al. Map No. 2 Riviere Des Lacs to the Rocky Mountains: Route Near the 47th and 49th Parallels : From Explorations and Surveys Made Under the Direction of the Hon. Jefferson Davis, Secretary of War. 1861.