A map of part of the continent of North America : between the 35th and 51st degrees of north latitude, and extending from 89⁰ degrees of west longitude to the Pacific Ocean /

Relief shown by shading.
Covers western North America, from Lake Michigan and Lake Superior to the Pacific Ocean, including southern Canada and northern Mexico.
Pen-and-ink and watercolor.
Available also through the Library of Congress Web site as a raster image.
Note from map folder: Map was copied from a sketch by William Clark, not one by Meriwether Lewis as indicated in the title.
Copy sectioned and mounted on cloth.
LC copy annotated on verso in pencil: Clothbacked & crepelined at Govt. Printing Office August 1934. Library, U.S. Dept. of State. North America, 1805. 38-2. Lewis' map of North Amer., 1805. North Amer. no. 9. 2-93-255.16.