Lemmon (SD-ND)

Survey type M/R-D (magnetic; radiometric; collected in digital form)
Flown by Geodata International, Inc.
Date flown 09/78-10/78
Line spacing 4.8 (km)
Altitude 121.9 (m)
Total distance 4,256 (km)
References
Counties Adams - Bowman - Butte - Corson - Harding - Meade - Perkins - Ziebach
Overlapping surveys

Data: Magnetic, radiometric (NURE) (NURE)