DP ME 364, Version 2. Airborne Magnetic Total Field, Calculated First Vertical Derivative and Calculated Second Vertical Derivative Images Collectively Covering Parts of NTS Map Sheets 21A/03, 21A/04, 21A/05, 21A/06 and 20P/13, in the Davis Lake - East Kemptville Area, by M. S. King, 2006. Available in TIFF and JPEG Formats. TIFF and JPEG Downloads