Published in: Boundaries, areas, geographic centers and altitudes of the United States and the several states / Edward M. Douglas. Washington : Government Printing Office, 1930. Geological Survey Bulletin 817. 2d edition.; Relief shown by hachures.; Prime meridian: Washington.; "Bulletin 817, Plate 6."; "A photographic reproduction of the part of the map referred to in the treaty of Guadalupe-Hidalgo of 1848 ..."; Includes text.; Includes southwestern USA and northwestern Mexico.
38 x 51 centimeters
Scale 1: 10,560
General Map Collection