| Survey name | Type | Altitude | Spacing | Flight line distance |
|---|---|---|---|---|
| Portland 1992 | M-D | 152.4 m above ground | 0.40 km | 5,700 km |
| Oregon Coast SE Onshore | M-Dz | 152.4 m (barometer) | 1.60 km | 12,324 km |
| Scott Mills | M-D | 304.8 m above ground | 0.53 km | 9,656 km |
| Yamhill-Tillamook | M-D | 243.8 m above ground | 0.53 km | 7,203 km |
| Vancouver | M/R-D | 121.9 m | 9.60 km | 2,341 km |