Bulletin 6406 by E.T. Baker, Jr., U.S. Geological Survey | June 1964
- Bulletin 6406 - Geology and Ground-Water Resources of Hardin County, Texas (pdf - 13.24MB)
- Figure 14 (pdf - 8.82MB) - Approximate Altitude of the Base of Fresh to Slightly Saline Water, Hardin County and Adjacent Areas
- Figure 23 (pdf - 8.72MB) - Approximate Thickness of Sand Containing Fresh to Slightly Saline Water in Hardin County and Adjacent Areas
- Plate 1 (pdf - 8.59MB) - Map Showing Location of Wells in Hardin County and Adjacent Areas
- Plate 5 (pdf - 8.73MB) - Geologic Section A-A', Hardin County
- Plate 6 (pdf - 8.44MB) - Geologic Section B-B', Hardin County
- Plate 7 (pdf - 8.22MB) - Geologic Section C-C' of the Batson and Saratoga Areas, Hardin County
- Plate 8 (pdf - 8.73MB) - Geologic Section D-D' of the Sour Lake Area, Hardin County