“County Map of Kansas, Nebraska, Colorado, Dakota, Wyoming, Montana.” Philadelphia: S. Augustus Mitchell, Jr., 1873. 19 7/8 x 15. Lithograph. Original hand color. Very good condition.
Mitchell’s map of the Great Plains from 1873. Mitchell kept his maps very up-to-date, showing new developments, particularly newly built railroads. These include the beginning of the Northern Pacific half-way across Dakota as well as railroads running out of Denver to the south and into the mountains to the west.