Airborne geophysical surveys

Survey name Type Altitude Spacing Flight line distance
Mother Lode '51M-Dz304.8 m above ground0.80 km4,224 km
San Francisco ARMS '58M-Dz152.4 m above ground1.60 km3,540 km
Eastern CaliforniaM-Dz4115 m (barometer)1.60 km5,724 km
Hoover-Walker LakeM-D304.8 m above ground0.80 km2,261 km
Tioga LakeM-D304.8 m above ground0.80 km370 km
DardanellesM-D304.8 m above ground0.80 km2,381 km
Central Sierra NevadaM-Dz152.4 m above ground0.60 km7,378 km
MariposaM/R-D121.9 m 4.80 km4,416 km
SacramentoM/R-D121.9 m 4.80 km5,005 km
San JoseM/R-D121.9 m 4.80 km5,182 km
Walker LakeM/R-D121.9 m 4.80 km4,858 km