• NACP MT; 15 sites from pancan85; magnetotelluric
• NACP MT; 216 sites from nacpedi2; magnetotelluric
• NACP MT; 135 sites from nacpedi1; magnetotelluric
• Baffin Island MT; 121 sites from 2001; magnetotelluric
• Baffin Island MT; 26 sites from 2002; magnetotelluric