Las Mujeres Quadrangle

Topographic quadrangle map of Las Mujeres Ranch in Webb County, Texas, and the surrounding area, showing towns, roads and highways, ranches, water bodies, boundaries, oil pipelines, and landmarks. Includes a road classification diagram in the lower-right corner. Relief shown by contours (interval 20) and spot heights. Scale 1:62,500
Date: 1956
Creator: unknown
System: The Portal to Texas History

Texas (Duval County): Freer Quadrangle

Topographical quadrangle map of Freer, Texas, and the surrounding area, showing populated areas, boundaries, water bodies, railroads, roads, and landmarks. Relief shown by contours (interval 20 feet) and spot heights. Scale 1:62,500
Date: 1956
Creator: unknown
System: The Portal to Texas History

Texas: Piedra Creek Quadrangle Grid Zone "D"

Topographic quadrangle map of Piedra Creek in Texas, and the surrounding area, showing roads and highways, towns, water bodies, ranches and farms, oil fields, borders between counties, water tanks, water wells, and landmarks. Relief shown by contours (interval 20 feet) and spot heights. Scale 1:62,500
Date: 1956
Creator: United States. Army. Corps of Engineers.
System: The Portal to Texas History

Texas: San Diego Quadrangle

Topographic quadrangle map of San Diego, Texas, and the surrounding area, showing populated areas, boundaries, rivers, creeks, railroads, roads and highways, and landmarks. Relief shown by contours (interval 10 feet) and spot heights. Scale 1:62,500
Date: 1957
Creator: Boggs, F. C.; Kuldell, R. C. & Herr, Frederick
System: The Portal to Texas History

Duval Co.

Blue line print of survey map of Duval County, Texas, showing rivers, creeks, original land grants or surveys, cities, towns, roads, and railroads. Scale [ca. 1:266,666] (4000 varas to 1/2 of an inch).
Date: 1918
Creator: Newton, John C.
System: The Portal to Texas History