Thermo KGRA (UT)

Survey type M-Dz (magnetic; digitized from contour maps)
Flown by U.S. Geological Survey
Date flown 04/75
Line spacing 1.6 (km)
Altitude 1830 (m) by barometer measurement
Total distance 189 (km)
References
Counties Beaver - Iron
Overlapping surveys

Data: Magnetic (M-Dz)