Numbered Report 109 | Texas Water Development Board

Report 109 by C.R. Follett, U.S. Geological Survey | March 1970 (Second Printing - April 1972)

  • Report 109 - Ground-Water Resources of Bastrop County, Texas (pdf - 5.26MB)
  • Figure 5 (pdf - 1.06MB) - Geologic Map
  • Figure 6 (pdf - 2.45MB) - Map Showing Approximate Altitude Top of the Wilcox Group
  • Figure 7 (pdf - 3.09MB) - Photographs of Outcrops of Wilcox Group
  • Figure 8 (pdf - 0.18MB) - Photographs of Outcrops of Carrizo Sand
  • Figure 9 (pdf - 0.13MB) - Photographs of Outcrops of Carrizo Sand
  • Figure 10 (pdf - 4.75MB) - Map Showing Approximate Altitude of the Top of Carrizo Sand
  • Figure 11 (pdf - 0.16MB) - Photographs of Outcrops of Queen City Sand
  • Figure 12 (pdf - 0.18MB) - Photographs of Outcrops of Sparta Sand
  • Figure 18 (pdf - 2.18MB) - Map Showing Estimated Potential Yield of Wells Tapping the Carrizo Sand and Wilcox Group
  • Figure 19 (pdf - 4.88MB) - Map Showing Approximate Altitude of the Base of Fresh to Slightly Saline Water in the Carrizo Sand and Wilcox Group
  • Figure 20 (pdf - 4.89MB) - Map Showing Approximate Thickness of Sand Containing Fresh to Slightly Saline Water in the Carrizo Sand and Wilcox Group
  • Figure 21 (pdf - 4.71MB) - Map Showing Depths of Wells Tapping Various Aquifers and Iron and Chloride Content of Water from Wells
  • Figure 22 (pdf - 0.84MB) - Diagram for the Classification of Irrigation Waters
  • Figure 23 (pdf - 4.85MB) - Map Showing Location of Wells and Springs
  • Figure 24 Geologic Section A-A'
  • Figure 25 Geologic Section B-B'
  • Figure 26 Geologic Section C-C'
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