• First vertical derivative of the magnetic field, Northern Stevenson Ridge Aeromagnetic Survey, …
• First vertical derivative of the magnetic field, Northern Stevenson Ridge Aeromagnetic Survey, …
• First vertical derivative of the magnetic field, Northern Stevenson Ridge Aeromagnetic Survey, …
• First vertical derivative of the magnetic field, Northern Stevenson Ridge Aeromagnetic Survey, …
• First vertical derivative of the magnetic field, Northern Stevenson Ridge Aeromagnetic Survey, …