Bulletin 6519 by R.C. Baker, and O.C. Dale, U.S. Geological Survey, and G.H. Baum, Geologist, Texas Water Commission | August 1965 (Second Printing April 1970)
- Bulletin 6519 - Ground-Water Conditions in Menard County, Texas (pdf - 5.15MB)
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Plate 1 (pdf - MB) - Map Showing Locations of Water Wells, Springs, a Cave, Oil and Gas Tests, and Salt-Water Disposal Pits and Wells in Menard County
- Plate 1b (pdf - MB) - Continued
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Plate 2 (pdf - MB) - Map Showing the Dissolved Solids and Chloride Content of Ground Water in Menard County
- Plate2b (pdf - MB) - Continued