[South boundary line of the Texas and Pacific Railway 80 mile reserve.]

Blueprint format of survey map of South boundary line of the Texas and Pacific Railway. A diagram of a section is included on the left-side of the map. Scale [ca. 1:133,333] (4000 varas to the inch).
Date: unknown
Creator: Canda, C. J.; Drake, S. J. & Strauss, W.
System: The Portal to Texas History

Big Springs

Topographic quadrangle map of Big Spring, Texas, and the surrounding area, showing towns, roads, bodies of water, landmarks, and borders, with relief shown by contours (interval 100 feet with supplementary contours at 50 foot intervals) and spot heights. A location diagram is included in the lower-right corner. Scale 1:250,000
Date: 1954
Creator: United States. Army. Corps of Engineers.
System: The Portal to Texas History

Heydrick's Ownership Map of Sterling Co., Texas.

Blue line print of survey map of Sterling County, Texas, showing rivers, towns, boundaries, creeks, original land grants or surveys, roads, and blocks of land. A legend indicating drilling wells, gas wells, abandoned wells, and dry holes is included in the upper-right corner. Handwritten notes have been made on the map in red pencil to outlines specific tracts of land. Scale [ca. 1:333,333] (10,000 varas to the inch).
Date: 1928
Creator: unknown
System: The Portal to Texas History

San Angelo

Topographic quadrangle map of San Angelo, Texas, and the surrounding area, showing populated areas, boundaries, water bodies, railroads, roads, and landmarks, with relief shown by contours (interval 100 feet) and spot heights. A location diagram is included in the lower-right corner. Scale 1:250,000
Date: 1955
Creator: United States. Army. Corps of Engineers.
System: The Portal to Texas History

Sterling County

Blue line print of survey map of Sterling County, Texas, showing rivers, creeks, original land grants or surveys, blocks of land, cities, towns, and railroads. Scale [ca. 1:200,000] (6000 varas to the inch).
Date: 1926
Creator: Morriss, G. C.
System: The Portal to Texas History