| Survey type | M-D (magnetic; collected in digital form) |
|---|---|
| Flown by | EON Geosciences Inc. |
| Date flown | 09/15-10/15 |
| Line spacing | 0.4 and 4 (km) |
| Altitude | 200 (m) above ground |
| Total distance | 23,501 (km) |
| References | |
| Counties | Cowlitz - Grays Harbor - Lewis - Pacific - Pierce - Skamania - Thurston |
| Overlapping surveys |
