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  4. Aeromagnetic surveys
  5. Colorado

Airborne geophysical surveys

Survey name Type Altitude Spacing Flight line distance
Durango '67M-A4420 m (barometer)1.60 km4,441 km
Royal GorgeM-Dz4420 m (barometer)1.60 km7,435 km
Colorado Regional WestM-A4420 m (barometer)1.60 km5,632 km
West ElkM-A4115 m (barometer)1.60 km997 km
Mt. MassiveM-A304.8 m above ground0.80 km3,234 km
West Elk ExtensionM-A4115 m (barometer)1.60 km627 km
Maroon BellsM-D&Dz4267 m (barometer)1.60 km2,919 km
Powderhorn '78M-D3962 m (barometer)1.20 km482 km
Fossil RidgeM-D304.8 m above ground0.80 km595 km
San Juan Mountains '86M-D304.8 m above ground0.53 km7,483 km
Leadville/Buena VistaM-D396.2 m above ground0.40 km10,855 km
Fairview, Area 2M/R-D121.9 m above ground0.40 km2,348 km
Mt. Harvard, Area 4M/R-D121.9 m above ground0.40 km1,657 km
Anthracite Range, Area 5M/R-D121.9 m above ground0.40 km1,181 km
LeadvilleM/R-D121.9 m 4.80 km4,988 km
MontroseM/R-D121.9 m 3.20 km5,664 km
EastRiverM/R/EM-D35 m above ground300.00 km1,872 km