Bulletin 6520 | Texas Water Development Board

Bulletin 6520 by H.B. Harris, Geologist, U.S. Geological Survey | August 1965

  • Bulletin 6520 - Ground-Water Resources of LaSalle and McMullen Counties, Texas (pdf - 7.93MB)
  • Plates
  • Figure 4 (pdf - 5.15MB) - Map Showing the Approximate Altitude of the Top of the Carrizo Sand in LaSalle and McMullen Counties
  • Figure 5 (pdf - 4.84MB) - Map Showing the Approximate Altitude of the Top of the Queen City Sand Member of the Mount Selman Formation, LaSalle and McMullen Counties
  • Figure 6 (pdf - 4.78MB) - Map Showing the Approximate Altitude of the Top of the Sparta Sand in La Salle County
  • Figure 12 (pdf - 6.57MB) - Map Showing the Approximate Depth to the Top of the Carrizo Sand, La Salle and McMullen Counties
  • Figure 13 (pdf - 4.79MB) - Map Showing the Approximate Thickness of Sands Containing Fresh to Slightly Saline Water in the Carrizo Sand in La Salle and McMullen Counties
  • Figure 14 (pdf - 4.82MB) - Map Showing the Approximate Depth to the Top of the Queen City Sand Member of the Mount Selman Formation, La Salle and McMullen Counties
  • Figure 15 (pdf - 4.88MB) - Map Showing the Approximate Thickness of Sands Containing Fresh to Slightly Saline Water in the Queen City Sand Member of the Mount Selman Formation in LaSalle and McMullen Counties
  • Figure 16 (pdf - 4.78MB) - Map Showing the Approximate Depth to the Top of the Sparta Sand, La Salle County
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