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Airborne geophysical surveys
Survey name |
Type |
Altitude |
Spacing |
Flight line distance |
San Francisco ARMS '58 | M-Dz | 152.4 m above ground | 1.60 km | 3,540 km |
Stonyford | M-Dz | 2134 m (barometer) | 1.60 km | 1,287 km |
Clear Lake '72 | M-Dz | 1372 m (barometer) | 1.60 km | 1,680 km |
San Francisco '73 | M-D | 914.4 m (barometer) | 1.60 km | 11,909 km |
Clear Lake '85 | M-D | 304.8 m above ground | 0.80 km | 933 km |
Clear Lake '95 | M-D | 304.8 m above ground | 0.45 km | 10,058 km |
Ukiah 2009 | M-D | 304.8 m above ground | 0.80 km | 12,311 km |
N. Great Valley South | M-Dz | 762 m (barometer) | 1.60 km | 9,253 km |
N.G.V. - Stony River | M-Dz | 1372 m (barometer) | 1.60 km | 692 km |
N.G.V. - Wilbur Springs | M-Dz | 1524 m (barometer) | 1.60 km | 1,287 km |
Chico | M/R-D | 121.9 m | 4.80 km | 4,869 km |
ChicoSouth | M-D | 244 m above ground | 0.80 km | km |
Sacramento | M/R-D | 121.9 m | 4.80 km | 5,005 km |
Sacramento 2011 | M-D | 244 m above ground | 0.80 km | km |
Santa Rosa | M/R-D | 121.9 m | 9.60 km | 1,646 km |
Ukiah | M/R-D | 121.9 m | 9.60 km | 2,441 km |