Published in: Boundaries, areas, geographic centers and altitudes of the United States and the several states / Edward M. Douglas. Washington : Government Printing Office, 1923. Geological Survey Bulletin 689.; Relief shown by hachures.; Prime meridian: Washington.; "Bulletin 669, Plate IV."; "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 [1:4,435,200] 70 miles to 1 inch
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