Yamhill-Tillamook (OR)

Survey type M-D (magnetic; collected in digital form)
Flown by Sander Geophysics Limited (SGL)
Date flown 01/99
Line spacing 0.53 (km)
Altitude 243.8 (m) above ground
Total distance 7,203 (km)
References
Counties Marion - Polk - Tillamook - Washington - Yamhill
Overlapping surveys

Data: Magnetic (M-D)