| Survey name | Type | Altitude | Spacing | Flight line distance |
|---|---|---|---|---|
| Alturas | M/R-D | 121.9 m | 9.60 km | 2,626 km |
| Burney | M-D | 305 m above ground | 0.80 km | km |
| Baker Cypress | M-D | 1372 m (barometer) | 0.80 km | 273 km |
| Suprise Valley '79 | M-Dz | 121.9 m above ground | 0.40 km | 418 km |
| Surprise Valley '81 | M/EM-D | 50 m above ground | 0.40 km | 193 km |
| Modoc North-central | M-Dz | 2134 m (barometer) | 3.20 km | 1,182 km |
| Modoc South-central | M-Dz | 2438 m (barometer) | 3.20 km | 772 km |
| Modoc East | M-Dz | 2896 m (barometer) | 3.20 km | 1,375 km |
| California Cascades | M-D | 2743 m (barometer) | 1.60 km | 21,726 km |
| Southeast Oregon | M-Dz | 2743 m (barometer) | 3.20 km | 23,549 km |
| Southern Cascades | M-D | 2743 m (barometer) | 1.60 km | 10,460 km |
| Vya | M/R-D | 121.9 m | 4.80 km | 4,861 km |