Report 273 by John B. Ashworth, January 1983

  • Report 273 - Ground-Water Availability of the Lower Cretaceous Formations in the Hill Country of South-Central Texas (pdf - 1.00MB)
  • Bandera (map plates) (pdf - 1.07MB) - Location of Selected Wells, Springs, and Oil and Gas Tests in Bandera County
  • Bexar (map plates) (pdf - 1.17MB) - Location of Selected Wells, Springs, and Oil and Gas Tests in Northern Bexar County
  • Blanco (map plates) (pdf - 1.03MB) - Location of Selected Wells, Springs, and Oil and Gas Tests in Blanco County
  • Comal (map plates) (pdf - 1.15 MB) - Location of Selected Wells, Springs, and Oil and Gas Tests in Comal County
  • Gillespie (map plates) (pdf - 1.02MB) - Location of Selected Wells, Springs, and Oil and Gas Tests in Gillespie County
  • Hays (map plates) (pdf - 1.02MB) - Location of Selected Wells, Springs, and Oil and Gas Tests in Hays County
  • Kendall (map plates) (pdf - 1.12MB) - Location of Selected Wells, Springs, and Oil and Gas Tests in Kendall County
  • Kerr (map plates) (pdf - 1.07MB) - Location of Selected Wells, Springs, and Oil and Gas Tests in Kerr County
  • Medina (map plates) (pdf - 0.99MB) - Location of Selected Wells, Springs, and Oil and Gas Tests in Northern Medina County
  • Real (map plates) (pdf - 1.02MB) - Location of Selected Wells, Springs, and Oil and Gas Tests in Real County
  • Uvalde (map plates) (pdf - 1.02MB) - Location of Selected Wells, Springs, and Oil and Gas Tests in Northern Uvalde County
  • Figure 2 (pdf - 1.03MB) - Map Showing Average Annual Precipitation, 1931-60, and Charts of Average Monthly Precipitation for Period of Record at Selected Stations
  • Figure 5 (pdf - 1.39MB) - Geologic Map
  • Figure 6 (pdf - 0.98MB) - Geologic Section A-A'
  • Figure 7 (pdf - 0.99MB) - Geologic Section B-B'
  • Figure 8 (pdf - 1.00MB) - Map Showing Approximate Altitude of and Depth to the Base of the Cretaceous System
  • Figure 9 (pdf - 1.55MB) - Map Showing Approximate Altitude of and Depth to the Top of the Lower Trinity Aquifer
  • Figure 10 (pdf - 0.98MB) - Map Showing Approximate Total Thickness of the Lower Trinity Aquifer
  • Figure 11 (pdf - 1.10MB) - Map Showing Approximate Altitude of and Depth to the Top of the Cow Creek Limestone of the Middle Trinity Aquifer
  • Figure 12 (pdf - 1.04MB) - Map Showing Approximate Altitude of and Depth to the Top of the Hensell Sand and Bexar Shale of the Middle Trinity Aquifer
  • Figure 13 (pdf - 1.16MB) - Map Showing Approximate Altitude of and Depth to the Top of the Middle Trinity Aquifer
  • Figure 14 (pdf - 1.01MB) - Map Showing Approximate Total Thickness of the Middle Trinity Aquifer
  • Figure 15 (pdf - 0.95MB) - Map Showing Sulfate, Chloride and Dissolved-Solids Content in Water from Selected Wells and Springs
  • Figure 17 (pdf - 1.08MB) - Map Showing Approximate Altitude of and Depth to Water Levels in Wells Completed in the Middle Trinity Aquifer, Winter of 1977-78
  • Figure 18 (pdf - 0.88MB) - Map Showing Approximate Altitude of and Depth to Water Levels in Wells Completed in the Lower Trinity Aquifer, 1975-78
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