Excellent map of California, Mexico, Texas and the Southwest, published by A&C Black.
The map covers all of Upper California and shows the missions, early forts and information immediately prior to the discovery of gold. Several settlement and forts near Youtah and the Great Salt Lake. New Mexico is shown in its Mexican Provincial configuration, extending to Cheyenne Wyoming.
A large misshapen Texas is includes extensive early details.
The map includes early roads, Forts, Indians, Towns, Mountains, Rivers, lakes and other details. Pre-Gadsden border with Mexico. Indian Territory in its Tomahawk configuration.
Adam & Charles Black were among the leading publishers of atlases and travel books in the 19th Century England.