“Map of Oregon, Washington, Idaho, and part of Montana.” Philadelphia: S. Augustus Mitchell, Jr., ca. 1873. 10 3/4 x 13 3/8. Lithograph. Original hand color. Very good condition.
Mitchell’s map of the American Northwest from about 1873, showing the increase in information available at the time. Yellowstone Park was created in northwest Wyoming in 1872 and Mitchell made sure to add it to his map. Colorful and with a typical Mitchell decorative border.