A map from 1886 of the United States showing the territories ceded by Mexico and the acquisition of Alaska. The map is color-coded to show the possessions of the United States, Great Britain, and Mexico at the time, and the Mexican cession of California, Utah Territory, and New Mexico Territory in 1848, and the Mexican cession of 1853, also known as the Gadsden Purchase, south of the Gila River and west to the Rio Grande River. An inset map shows the territory purchased from Russia in 1868.