Airborne geophysical surveys

Survey name Type Altitude Spacing Flight line distance
AlturasM/R-D121.9 m 9.60 km2,626 km
BurneyM-D305 m above ground0.80 km km
Baker CypressM-D1372 m (barometer)0.80 km273 km
Suprise Valley '79M-Dz121.9 m above ground0.40 km418 km
Surprise Valley '81M/EM-D50 m above ground0.40 km193 km
Modoc North-centralM-Dz2134 m (barometer)3.20 km1,182 km
Modoc South-centralM-Dz2438 m (barometer)3.20 km772 km
Modoc EastM-Dz2896 m (barometer)3.20 km1,375 km
California CascadesM-D2743 m (barometer)1.60 km21,726 km
Southeast OregonM-Dz2743 m (barometer)3.20 km23,549 km
Southern CascadesM-D2743 m (barometer)1.60 km10,460 km
VyaM/R-D121.9 m 4.80 km4,861 km