A map of northern part of Mexico, including Exter and Wilson's Grant / made from Legrand's notes and other documents by S. McL. Staples, A.M., surveyor general of Chihuahua.Staples, Stephen McL. (Stephen McLellan), 1800-18321828From the Streeter collection.Includes text.Pen-and-ink and watercolor.Portion of map showing "Alamo Mocho," "Arroyo del Barrial," "R. Xaral," and "R. San Antonio" on verso.Relief shown by hachures.cartographic