Report 37 by Robert B. Anders, U.S. Geological Survey, January 1967
- Report 37 - Ground-Water Resources of Sabine and San Augustine Counties, Texas (pdf - 9.11MB)
- Figure 3 (pdf - 4.96MB) - Structure-Contour Map of the Top of the Carrizo Sand and Wilcox Group
- Figure 4 (pdf - 4.87MB) - Structure-Contour Map of the Top of the Sparta Sand
- Figure 9 (pdf - 4.74MB) - Depths of Wells Tapping Various Aquifers, and Iron and Nitrate Content of Water from Wells and Springs
- Figure 10 (pdf - 4.82MB) - Approximate Altitude of the Base of Fresh to Slightly Saline Water
- Figure 11 (pdf - 4.86MB) - Approximate Thickness of Sand Containing Fresh to Slightly Saline Water in the Carrizo Sand and Wilcox Group
- Figure 12 (pdf - 4.83MB) - Approximate Thickness of Sand Containing Fresh to Slightly Saline Water in the Sparta Sand
- Figure 13 (pdf - 4.73MB) - Locations of Wells and Springs
- Figure 14 (pdf - 4.67MB) - Geologic Section A-A', San Augustine County
- Figure 15 (pdf - 4.66MB) - Geologic Section B-B', Sabine and San Augustine Counties
- Figure 16 (pdf - 4.66MB) - Geologic Section C-C', Sabine and Newton Counties