Excellent detailed map of North America, published in Paris by Andriveau-Goujon.

Alaska is still Russian America, with Western Canada filled with early Forts and trading posts of the Northwest Company and Hudsons Bay Company.

The border between Oregon Territory and British America has now been resolved, with a massive "Northwest Territory" immediately east of Oregon Territory, pre-dating the establishment of Nebraska Territory.

To the south, Utah Territory and New Mexico Territory stretch from California to the Rocky Mountains, with a pre-Gadsden Purchase border between Mexico and the US shown tracking the Gila River.