text: An engraved, colored map, dissected and mounted on linen. Map is of Mexico and California, showing Mexican boundary of 1810 to the Mermento River in Louisiana. Insert in lower left shows the Valley of Mexico, from Humboldt map. Insert in center shows Acapulco. Insert in lower right shows Veracruz. "Engraved by E. Jones" is inscribed in the bottom of the title circle.