Record Data Place Unit Type City or Town Containing Unit El Paso County, TX People Documents Date Title 09/27/1858 New York Times, “The Boundary Survey between Mexico and the United States,” September 27, 1858 10/11/1858 San Francisco (CA) Evening Bulletin, “Time Table by the Butterfield Overland Mail Route,” October 11, 1858 Images Bibliography The El Paso Area in the Mexican Period, 1821-1848