1. Mineral Resources
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  3. Magnetic anomaly
  4. Aeromagnetic surveys
  5. California

Airborne geophysical surveys

Survey name Type Altitude Spacing Flight line distance
Yolla BollyM-Dz304.8 m above ground0.80 km1,182 km
North Sierra FoothillsM-D304.8 m above ground0.80 km8,481 km
Sierra Nevada '80M-D304.8 m above ground0.80 km6,035 km
Lassen KGRAM/EM-D50 m above ground0.40 km852 km
Redding '85M-D304.8 m above ground0.80 km14,966 km
Ukiah 2009M-D304.8 m above ground0.80 km12,311 km
N. Great Valley NorthM-Dz1067 m (barometer)1.60 km3,299 km
N.G.V. - NorthwestM-Dz1372 m (barometer)1.60 km804 km
N.G.V. - NewvilleM-Dz1067 m (barometer)1.60 km418 km
California CascadesM-D2743 m (barometer)1.60 km21,726 km
Lassen Peak '80M-D3353 m (barometer)0.80 km1,528 km
ChicoM/R-D121.9 m 4.80 km4,869 km
ChicoNorthM-D244 m above ground0.80 km km
ChicoSouthM-D244 m above ground0.80 km km
RedBluffM-D244 m above ground0.80 km km
ReddingM/R-D121.9 m 9.60 km2,697 km
SusanvilleM/R-D121.9 m 9.60 km2,644 km
UkiahM/R-D121.9 m 9.60 km2,441 km