Relief shown by hachures.
Shows counties.
"Entered according to Act of Congress on the 28th day of July 1848 by J. De Cordova in the Clerks Office of the United States District Court for the District of Texas."
"Without my signature all copies of this map have been fraudulently obtained. J. De Cordova."
Prime meridians: Greenwich and Washington.
Imprint from cover.
Includes elliptical inset of southwestern U.S. and northern Mexico. Scale [ca. 1:8,000,000].
Includes list of land districts and text.