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The aircraft 0 3 0 1 0 0 0 0 0 0 2 4 1 - . - . 0 1 5 0 1 0 8 0 0 105000.0 0 4 was also equipped with a GPS navigation system and a 0 7 32 0 7 1 0 0 0 99000.0 0 0 5 1 1 0 MAP 82 635 0 5 digital data acquisition system. 19000.0 0 - 1 . 0 0 74000.0 5 - 64000.0 0 105 11 3 . 5 0 0 3 0 0 5 9 5 76000.0 63000.0 4 1 34 65000.0 0 0 Residual Magnetic Field Map 0 2 5 24000.0 5 - 0 0 3 - 0 5 - 5 0 3 7 75000.0 5 0 1 0 . 5 AIRBORNE MAGNETIC AND 0 0 L2241> 0 - 0 107 20 0 2 1 2 - 0 8 44 2 The contours of residual magnetic intensity were generated 5 . 1 0 0 ELECTROMAGNETIC SURVEYS 0 0 from digitally recorded data. The magnetic data were corrected 49000.0 0 0 0 0 30 5 22 2 7 90000.0 2 0 0 . 0 5 0 0 for diurnal variations, levelled to the control lines and 5471000 m 0 0 5471000 m 0 0 3 4 0 0 0 5 81000.0 1 - 25000.0 - 0 1 0 2 3 0 2 2 2 0 - 5 interpolated onto a 40 m regular grid, using the minimum 0 - 0 - 5 0 0 0 0 1 - 0 0 47000.0 0 0 0 0 5 0 0 Residual magnetic field contours 0 1 2 0 0 1 2 0 Martin curvature algorithm. An International Geomagnetic Reference 0 - 1 < 41000.0 - 0 0 - 1 1 McKay Island 79000.0 7 L 5 2 0 - 1 5 Island 2 0 5 Field (IGRF) correction was applied to the total magnetic field 51000.0 5 5 with electromagnetic anomalies 0 0 0 2 70000.0 4 27 3 0 0 3 0 1 data at survey altitude using the 2010 model year extrapolated 1 0 0 34000.0 10 42 5 1 5 - 1 - . 0 5 23000.0 5 5 0 0 - 0 0 2 0 to March 1, 2014. A regional correction was applied to level the and Keating coefficients 9 37 133 4 0 0 5 56000.0 0 0 81000.0 0 23' 29 22 0 35000.0 0 5 7 44 2 - 0 magnetic field to the Ontario Master Aeromagnetic Grid. 0 0 5 0 0 - 1 0 5 79 29 - - 0 0 0 4 24 5 0 3 2 29 23 53000.0 0 0 2 20 - - 5 1 64000.0 78000.0 0 57000.0 3 5 3 5 0 Magnetic declination from January 26, 2014 to March 1, 2014 45000.0 146 3 0 3 1 55000.0 0 6 4 0 0 0 NESTOR FALLS AREA 6 106000.0 0 0 109000.0 2 28 0 183 1 3 3 3 29 0 0 for the centre of the survey area was 0.1º W. Magnetic 0 5 - 2 0 3 4 2 0 61000.0 0 3 0 0 0 0 . - 2 - 0 58000.0 L2221> 0 9 5 0 0 0 5 inclination from January 26, 2014 to March 1, 2014 for the 0 1 0 0 6 5 5 128 3 5 0 65000.0 .