Map of the territory of the United States from the Mississippi River to the Pacific Ocean; originally prepared to accompany the reports of the explorations for a Pacific railroad route

Scale 1:3,000,000.
Hand colored.
Relief shown by hachures and spot heights.
LC copy annotated in pencil.
Shows military departments, posts, routes and dates of expeditions and surveys.
Includes list of "Authorities."
Available also through the Library of Congress Web site as a raster image.
Vault
AACR2