This lot contains two of the same map; identical except for coloring. This edition features Nebraska with a long panhandle that extends all the way to about present-day Idaho near Ft. Bridger and Fremont's Peak. Above Nebraska is a huge Dakota Territory that extends all the way to the Canadian border, west to the Continental Divide and east to Minnesota Territory. The map is filled with information and locates numerous Indian tribes, trading posts, wagon roads and trails, exploration routes, mountain peaks, and more. It shows the railroad routes explored by Gov. Stephens, Lt. Beckwith, and Capt. Gunnison, numerous forts and early settlements. The Oregon Trail is shown, but not named, and several other emigrant roads are traced including several converging on Denver. North, Middle, and South Parks, as well as several forts and a few towns are shown in Colorado. Johnson constantly updated his maps as new information was learned. There may be differences here besides the color, but our cursory inspection did not find any.

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Condition: A

Both are beautiful, near flawless examples.