Four Corners (AK)

Survey type M/R-D (magnetic; radiometric; collected in digital form)
Flown by Aero Service Corporation
Date flown 09/79
Line spacing 1.6 (km)
Altitude 121.9 (m) above ground
Total distance 1,107 (km)
References
Counties Yukon-Koyukuk
Overlapping surveys

Data: Magnetic, radiometric (M/R-D)

Data: Magnetic (M-D)