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  3. Magnetic anomaly
  4. Aeromagnetic surveys
  5. California

Airborne geophysical surveys

Survey name Type Altitude Spacing Flight line distance
KramerM-Dz152.4 m above ground0.40 km2,409 km
Los Angeles ARMS SouthM-Dz152.4 m above ground1.60 km2,333 km
Los Angeles ARMS NorthM-Dz152.4 m above ground1.60 km1,899 km
Cucamonga '75M-D2896 m (barometer)1.60 km531 km
Los PadresM-D304.8 m above ground0.80 km8,352 km
Cucamonga PeakM-D304.8 m above ground0.80 km450 km
San Diego '88-'89M-D304.8 m above ground0.80 km29,772 km
NorthridgeM-D304.8 m above ground0.80 km22,369 km
Offshore S. CA - SouthM-Dz762 m above sea level1.60 km26,715 km
Los AngelesM/R-D121.9 m 4.80 km4,089 km
San BernardinoM/R-D121.9 m 4.80 km5,203 km
Santa AnaM/R-D121.9 m 4.80 km4,269 km