| Survey name | Type | Altitude | Spacing | Flight line distance |
|---|---|---|---|---|
| Del Rio | M/R-D | 121.9 m | 4.80 km | 3,349 km |
| San Antonio | M/R-D | 121.9 m | 4.80 km | 5,589 km |
| Texas Coastal Plain '56 | M-Dz | 152.4 m above ground | 1.60 km | 20,317 km |
| Northwest San Antonio | M-Dz | 853.4 m (barometer) | 2.00 km | 13,703 km |
| Medina-Uvalde | M-D | 152.4 m above ground | 0.40 km | 15,819 km |
| Seco Creek | M/EM-D | 33.5 m above ground | 0.20 km | 1,533 km |