This is an original circa 1930 trifold geological map on a type of vellum with two vertical folds. This map shows the line from El Paso Texas to Torcer Texas. Unique to this map is that it has a chart of the Geology with matching letters on the map image.
The Southern Pacific Railroad Map is ideal for those interested in exploring and understanding the historical and geographical significance of El Paso, Ysleta, Fort Hancock, Fabens, and Tornillo, Texas.