| Survey name | Type | Altitude | Spacing | Flight line distance |
|---|---|---|---|---|
| Clear Lake '72 | M-Dz | 1372 m (barometer) | 1.60 km | 1,680 km |
| San Francisco '73 | M-D | 914.4 m (barometer) | 1.60 km | 11,909 km |
| Livermore | M-D | 304.8 m above ground | 0.53 km | 7,724 km |
| Clear Lake '95 | M-D | 304.8 m above ground | 0.45 km | 10,058 km |
| Napa Valley | M-D | 243.8 m above ground | 0.53 km | 15,900 km |
| N.G.V. - Wilbur Springs | M-Dz | 1524 m (barometer) | 1.60 km | 1,287 km |
| N.G.V. - Mt. Vaca | M-Dz | 1372 m (barometer) | 1.60 km | 965 km |
| Sacramento 2011 | M-D | 244 m above ground | 0.80 km | km |
| Santa Rosa | M/R-D | 121.9 m | 9.60 km | 1,646 km |