Mitchell 1875 Great Plains


“County Map of Colorado Wyoming, Dakota Montana.” Philadelphia: S. Augustus Mitchell, Jr., 1875. 19 1/2 x 14. Lithograph. Original hand color. Very good condition.


Mitchell’s map of the Great Plains from 1874. Mitchell kept his maps very up-to-date, showing new developments such as Yellowstone Park, shown in the upper left corner. Of particular interest is the appearance of the “Pony Express Route” indicated across the middle of the map.