Report 135 by Matthew E. Broom, U.S. Geological Survey | October 1971

  • Report 135 - Ground-Water Resources of Cass and Marion Counties, Texas (pdf - 7.72MB)
  • Figure 2 (pdf - 9.3MB) - Geologic map
  • Figure 3 (pdf - 2MB) - Approximate Altitude of and depth to the Top of the Midway Group
  • Figure 4 (pdf - 4.7MB) - Altitudes of water levels in the Cypress Aquifer, 1967-68
  • Figure 7 (pdf - 5.1MB) - Depths of Wells and Chloride Content in the Cypress Aquifer
  • Figure 8 (pdf - 5.33MB) - Approximate Thickness of sand Containing Fresh to Moderately Saline Water in the Cypress Aquifer
  • Figure 9 (pdf - 5.73MB) - Locations of Wells, Springs, and Oil and Gas Fields
  • Figure 10 (pdf - 3.64MB) - Correlation of Geologic Units Along Line A-A'
  • Figure 11 (pdf - 4.33MB) - Correlation of Geologic Units Along Line B-B'
  • Figure 12 (pdf - 3.77MB) - Correlation of Geologic Units Along Line C-C'
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