• Residual total magnetic field, Aeromagnetic Survey of the Nisling River Area, NTS …
• First vertical derivative of the magnetic field, Aeromagnetic Survey of the Nisling …
• First vertical derivative of the magnetic field, Aeromagnetic Survey of the Nisling …
• First vertical derivative of the magnetic field, Aeromagnetic Survey of the Nisling …
• Residual total magnetic field, Aeromagnetic Survey of the Nisling River Area, NTS …