Report 181 by G. H. Shafer, U.S. Geological Survey | March 1974, (reprinted November 1986)

  • Report 181 - Ground-Water Resources of Duval County, Texas
  • Figure 4 - Geology
  • Figure 5 - Correlation of Geologic Units Along Line A-A'
  • Figure 6 - Correlation of Geologic Units Along Line B-B'
  • Figure 7 - Correlation of Geologic Units Along Line C-C'
  • Figure 8 - Approximate Altitude of the Top of the Catahoula Tuff
  • Figure 9 - Approximate Altitude of the Top of the Oakville Sandstone
  • Figure 10 - Approximate Altitude of the Base of the Goliad Sand
  • Figure 11 - Approximate Altitude of Water Levels in Wells in the Catahoula Tuff and Goliad Sand, 1969-70
  • Figure 16 - Depth or Screened Intervals of Wells and Chloride and Dissolved-Solids Content of Water From Wells
  • Figure 18 - Brine-Producing Areas
  • Figure 19 - Thickness of Sand Containing Fresh to Slightly Saline Water in the Catahoula Tuff
  • Figure 20 - Thickness of Sand Containing Fresh to Slightly Saline Water in the Oakvilel Sandstone
  • Figure 21 - Thickness of Sand Containing Fresh to Slightly Saline Water in the Goliad Sand
  • Figure 22 - Locations of Wells
Top