ESRI binary grid files for Camp Stanley detail area flown with 50m flight lines grid cell size is 10m Projection NAD27 UTM14N meters RES* grids are apparent resistivity in ohm meters at the indicated frequency TMI is the total magnetic field with IGRF removed RES115K_B3.flt RES1500_B3.flt RES25K_B3.flt RES400_B3.flt RES6200_B3.flt TMI_B3.flt