Report 234 by William F. Guyton & Associates | June 1979
Important note: Out-of-date tabular information is omitted from these historic numbered reports. Data such as well reports, records of wells, water quality and water quality information are maintained electronically at WIID
- Report 234 - Geohydrology of Comal, San Marcos, and Hueco Spring(pdf - 14.5MB)
- Figure 1 - (pdf - 835KB) Edwards (Balcones Fault Zone) Aquuifer, San Antonio Region
- Figure 3 - (pdf - 3.45MB) Surface Geology of the Edwards Aquifer Area Northeast of San Antonio; Showing Water-Quality Features and Locations of Springs, Observation Wells and Test Holes
- Figure 4 - (pdf - 3.45MB) Elevation of the Top of Glen Rose Formation, and Surface Geology of the Edwards Aquifer Area Northeast of San Antonio
- Figure 5 - (pdf - 2.31MB) Surface Geology of Comal Spring Locality
- Figure 6 - (pdf - 2.04MB) Geologic Cross-Section Through Comal Springs Locality
- Figure 7 - (pdf - 3.20MB) Surface Geology of San Marcos Springs Locality
- Figure 8 - (pdf - 1.99MB) Geologic Cross Section Through San Marcos Springs Locality
- Figure 9 - (pdf - 2.22MB) Surface Geology of Hueco Springs Locality
- Figure 10 - (pdf - 1.73MB) Geologic Cross Section Through Hueco Springs Locality
- Figure 11 - (pdf - 803KB) Geohydrologic Subdivision of the Edwards Aquifer Northeast of San Antonio
- Figure 12 - (pdf - 925kB) Flow of Comal, San Marcos, and Hueco Springs, 1881-1928
- Figure 13 - (pdf - 0.99MB) Flow of Comal, San Marcos, and Hueco Springs and Precipitation at New Braunfels and San Marcos, 1928-1975
- Figure 14 - (pdf - 3.07MB) Surface Geology of the Edwards Aquifer Area Northeast of San Antonio; Showing Tritium Analysis of Water from Wells and Springs and Surface Dranage Divides