| Survey name | Type | Altitude | Spacing | Flight line distance |
|---|---|---|---|---|
| Hoquiam | M/R-D | 121.9 m | 9.60 km | 2,282 km |
| Longview North | M-D | 304.8 m above ground | 0.80 km | 13,888 km |
| Hillsboro Northwest | M-D | 304.8 m above ground | 0.53 km | 482 km |
| Vancouver | M/R-D | 121.9 m | 9.60 km | 2,341 km |