| Survey name | Type | Altitude | Spacing | Flight line distance |
|---|---|---|---|---|
| Llano | M/R-D | 121.9 m | 4.80 km | 5,182 km |
| San Antonio | M/R-D | 121.9 m | 4.80 km | 5,589 km |
| Seguin | M/R-D | 121.9 m | 4.80 km | 4,296 km |
| Texas Coastal Plain '56 | M-Dz | 152.4 m above ground | 1.60 km | 20,317 km |
| Lockhart | M-D | 457.2 m (barometer) | 9.60 km | 619 km |
| Northwest San Antonio | M-Dz | 853.4 m (barometer) | 2.00 km | 13,703 km |
| Northern Bexar County | M/EM-D | 35 m above ground | 0.20 km | 1,281 km |