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Airborne geophysical surveys
Survey name |
Type |
Altitude |
Spacing |
Flight line distance |
Mother Lode '51 | M-Dz | 304.8 m above ground | 0.80 km | 4,224 km |
San Francisco ARMS '58 | M-Dz | 152.4 m above ground | 1.60 km | 3,540 km |
Mother Lode North | M-Dz | 304.8 m above ground | 0.80 km | 3,669 km |
San Jose '89-'90 | M-D | 152.4 m above ground | 0.40 km | 6,570 km |
San Francisco '73 | M-D | 914.4 m (barometer) | 1.60 km | 11,909 km |
North Sierra Foothills | M-D | 304.8 m above ground | 0.80 km | 8,481 km |
Livermore | M-D | 304.8 m above ground | 0.53 km | 7,724 km |
N. Great Valley South | M-Dz | 762 m (barometer) | 1.60 km | 9,253 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 |
San Jose | M/R-D | 121.9 m | 4.80 km | 5,182 km |