Report 74 by George R. Tarver, U.S. Geological Survey | May 1968

Report 74 - Ground-Water Resources of Tyler County, Texas (pdf - 5.68MB)
Figure 3 (pdf - 7.32MB) - Approximate Altitude of the Top of the Catahoula Sandstone
Figure 5 (pdf - 7.01MB) - Chemical Quality of Water in Selected Wells
Figure 7 (pdf - 7.21MB) - Thickness of Sand Containing Fresh to Slightly Saline Water in the Jasper, Evangeline, and Chicot Aquifers.
Figure 8 (pdf - 7.17MB) - Altitude of Water Levels in Wells Tapping the Jasper and Evangeline Aquifers, 1965
Figure 9 (pdf - 7.33MB) - Approximate Altitude of the Base of Fresh to Slightly Saline Water in the Jasper, Evangeline, and Chicot Aquifers
Figure 10 (pdf - 7.28MB) - Approximate Altitude of the Base of Fresh to Slightly Saline Water in the Jackson Group, Northern Tyler County
Figure 11 (pdf - 7.34MB) - Approximate Altitude of the Base of Fresh to Slightly Saline Water in the Catahoula Sandstone, Northern Tyler County
Figure 12 (pdf - 4.23MB) - Hydrologic and Geologic Units and Locations of Wells and Springs in Tyler County and Adjacent Areas
Figure 13 (pdf - 7.06MB) - Geologic Section A-A', Polk and Tyler Counties
Figure 14 (pdf - 7.12MB) - Geologic Section B-B', Polk and Tyler Counties
Figure 15 (pdf - 7.07MB) - Geologic Section C-C', Tyler and Polk Counties
Figure 16 (pdf - 7.26MB) - Geologic Section D-D', Tyler and Jasper Counties