Airborne geophysical surveys

Survey name	Type	Altitude	Spacing	Flight line distance
Carrizo Plain	M-D	1981 m (barometer)	1.60 km	6,759 km
San Francisco '73	M-D	914.4 m (barometer)	1.60 km	11,909 km
California Coast	M-D	609.6 m (barometer)	1.60 km	6,496 km
Black Buttes-Ventana	M-D	304.8 m (barometer)	0.80 km	2,462 km
Los Padres I '82	M-D	304.8 m above ground	0.80 km	3,548 km
Los Padres II '82	M-D	1981 m (barometer)	1.60 km	1,858 km
Parkfield	M-D	304.8 m above ground	0.80 km	4,908 km
Gabilan North	M-D	304.8 m above ground	0.80 km	2,301 km
Gabilan High Lines	M-D	2000 m (barometer)	4.80 km	193 km
San Gregorio-Hollister	M-D	152.4 m above ground	0.53 km	9,205 km
Point Sur	M-D	150 m above ground	0.53 km	1,070 km
Salinas Valley North	M-D	245 m above ground	0.53 km	3,081 km
Salinas Valley South	M-D	245 m above ground	0.53 km	5,495 km
Paso Robles	M-D	304.8 m above ground	0.80 km	20,507 km
Santa Lucia	M-D	304.8 m above ground	0.80 km	2,253 km
Carmel	M-D	304.8 m above ground	0.80 km	4,383 km
Coastal California S.	M-Dz	914.4 m (barometer)	1.60 km	563 km
San Luis Obispo	M/R-D	121.9 m	4.80 km	2,751 km
Santa Cruz	M/R-D	121.9 m	4.80 km	km