Airborne geophysical surveys

Survey name Type Altitude Spacing Flight line distance
San Francisco ARMS '58M-Dz152.4 m above ground1.60 km3,540 km
Mother Lode NorthM-Dz304.8 m above ground0.80 km3,669 km
MokelumeM-D304.8 m above ground0.80 km563 km
North Sierra FoothillsM-D304.8 m above ground0.80 km8,481 km
DardanellesM-D304.8 m above ground0.80 km2,381 km
N. Great Valley SouthM-Dz762 m (barometer)1.60 km9,253 km
SacramentoM/R-D121.9 m 4.80 km5,005 km
Sacramento 2011M-D244 m above ground0.80 km km