• First vertical derivative of the magnetic field, Wernecke Mountain Aeromagnetic Survey, NTS …
• First vertical derivative of the magnetic field, Wernecke Mountain Aeromagnetic Survey, NTS …
• First vertical derivative of the magnetic field, Wernecke Mountain Aeromagnetic Survey, NTS …
• First vertical derivative of the magnetic field, Wernecke Mountain Aeromagnetic Survey, NTS …
• First vertical derivative of the magnetic field, Wernecke Mountain Aeromagnetic Survey, NTS …