South-central North Dakota (ND)

Survey type M-D (magnetic; collected in digital form)
Flown by Airmag
Date flown 09/80
Line spacing 4.83 (km)
Altitude 1066.8 (m) by barometer measurement
Total distance 2,784 (km)
References
Counties Adams - Burleigh - Emmons - Grant - Hettinger - Mercer - Morton - Oliver - Sioux - Corson - Perkins
Overlapping surveys

Data: Magnetic (M-D)