Airborne geophysical surveys

Survey name Type Altitude Spacing Flight line distance
Durango '67M-A4420 m (barometer)1.60 km4,441 km
Powderhorn '78M-D3962 m (barometer)1.20 km482 km
Lake City (San Juan Mtns.)M-D121.9 m above ground0.53 km1,264 km
Ute MountainsM-D106.7 m above ground0.80 km11,426 km
San Juan Mountains '86M-D304.8 m above ground0.53 km7,483 km
Eureka GrabbenM/EM-D60 m above ground0.20 km1,495 km
Creede, Area 1M/R-D121.9 m above ground0.40 km1,388 km
Columbine Pass, Area AM/R-D121.9 m above ground0.40 km1,989 km
Redcloud Peak, Area BM/R-D121.9 m above ground0.40 km2,198 km
Granite Lake, Area DM/R-D121.9 m above ground0.40 km645 km
DurangoM/R-D121.9 m 3.20 km7,306 km
MontroseM/R-D121.9 m 3.20 km5,664 km