Warren, G. K. Map of the territory of the United States from the Mississippi to the Pacific Ocean : ordered by Jeff'n Davis, Secretary of War to accompany the reports of the explorations for a railroad route / compiled from authorized explorations and other reliable da. War Dept..MLA Citation
Warren, Gouverneur Kemble. Map of the Territory of the United States From the Mississippi to the Pacific Ocean : Ordered By Jeff'n Davis, Secretary of War to Accompany the Reports of the Explorations for a Railroad Route / Compiled From Authorized Explorations and Other Reliable Da. War Dept..