Mineral Ridge (WA)

Survey type M-D (magnetic; collected in digital form)
Flown by DIGHEM LTD.
Date flown 01/81-03/81
Line spacing 0.4 and 0.8 (km)
Altitude 50 (m) above ground
Total distance 241 (km)
References
Counties Douglas - Okanogan
Overlapping surveys

Data: Magnetic (M-D)