Table 1: SOS Data acquisition parameters Field Crew Kinetex Inc. Date May-June 2000 Client Geological Survey of Canada Instrument type I/O System 2000 Trace/Record 963 Record Length 46 seconds Sample rate 4 milliseconds Filter ¾ Nyquist Fold (% CDP) 6000% Nominal Vibroseis Source Parameters Source array 4 Vibrators in-line Pattern length 120 meters VP interval 100 meters Sweep length 28 seconds Sweep type Linear Sweep frequency ~ 8-87 Hz Nominal Receiver Array Parameters Group. Interval 12.5 meters (lines 5-7) 25.0 meters (lines 1-4, 8 and 9) Geophone/Group. 9 geophones