1. Mexican Boundary B. Extract from the Treaty Map of Disturnell of 1847 Published / Created: 1847 Call Number: WA MSS S-1403 Collection Title: J. D. Graham papers, 1804-1896 Container / Volume: Folder 773 Image Count: 1 Found in: Beinecke Rare Book and Manuscript Library > Mexican Boundary B. Extract from the Treaty Map of Disturnell of 1847