Ord Mountains (CA)

Survey type M-Dz (magnetic; digitized from contour maps)
Flown by Aero Service Corporation
Date flown ?/57-?/58
Line spacing 0.8 (km)
Altitude 152.4 (m) above ground
Total distance 7,356 (km)
References
Counties San Bernardino
Overlapping surveys

Data: Magnetic (M-Dz)