Bulletin 5411 by Gordon W. Willis, U.S. Geological Survey | September 1954
- Bulletin 5411 - Groundwater Resources of Tom Green County, Texas (pdf - 7.7MB)
- Plate 1 (pdf - 2.9MB) - Map Showing Locations of Wells in Starr County
- Plate 2 (942 KB pdf) -
Since May 23, 2025: Texas communities are being targeted in a phishing campaign with emails posing as TWDB. Click here for more information.