Airborne geophysical surveys

Survey name Type Altitude Spacing Flight line distance
Southeastern CaliforniaM-Dz2743 m (barometer)4.80 km6,681 km
San JacintoM-D304.8 m above ground0.80 km209 km
S. San Bernardino Mtns.M-D304.8 m above ground0.80 km1,569 km
Needles '80M-D304.8 m above ground0.80 km26,256 km
BighornM-D304.8 m above ground0.80 km2,059 km
Cactus SpringsM-D304.8 m above ground0.80 km442 km
Salton Sea South '81M-D304.8 m above ground0.80 km16,109 km
Salton Sea North '81M-D304.8 m above ground0.80 km1,673 km
Eagle MountainsM-Dz-9999 m (barometer)0.40 km2,365 km
PalenM-Dz152.4 m above ground0.40 km1,599 km
Maria MountainsM-Dz152.4 m above ground0.40 km2,024 km
San Diego '88-'89M-D304.8 m above ground0.80 km29,772 km
NorthridgeM-D304.8 m above ground0.80 km22,369 km
San Bernardino ValleyM-D243.8 m above ground0.53 km1,367 km
San Bernardino MountainsM-D243.8 m above ground0.53 km2,768 km
Joshua TreeM-D304.8 m above ground0.80 km870 km
Hexie MountainsM-D304.8 m above ground0.80 km1,706 km
NeedlesM/R-D121.9 m 4.80 km5,285 km
Salton SeaM/R-D121.9 m 4.80 km5,449 km
San BernardinoM/R-D121.9 m 4.80 km5,203 km
Santa AnaM/R-D121.9 m 4.80 km4,269 km