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Nice example of Disturnell's map of Texas, Upper California and Mexico, perhaps the single most important and influential map of the Texas and the Southwestern part of the United States in American History.
Often referred to as the Disturnell "Treaty Map," the map is the most important map of the 19th Century with respect to the boundary between the United States and Mexico.
Engraved by John Disturnell in 1846, utilizing the same plate as White Gallaher & White's 1828 map of Mexico, the map would go through a number of states in a two year period, with the 7th state of the map used in 1847 by the United States and Mexico in delineating the initial boundary for the Treaty of Guadalupe Hidalgo and the 12th state of the map included with the written Treaty itself, thereby placing the Disturnell map as being of equal status to the maps of John Melish and John Mitchell in American Cartographic history.
White Gallaher & White's map of 1828 was an adaptation of Tanner's English language map of Mexico (published in 1826). The three maps are exceptionally important in American History, due to their historical context and function with regard to the Treaty of Guadalupe Hidalgo. Together the Tanner, White, Gallaher & White, and Disturnell maps represent the cartographic lineage for the mistaken location of the US-Mexico border which resulted in the boundary dispute created by the errors in Disturnell's map, following the Treaty of Guadalupe Hidalgo.
![[Utah] Amer. Sep. No. 47. Partie Du Mexique](https://storage.googleapis.com/raremaps/img/small/88711.jpg)
