ALBERTA BASEMENT: CAT (1991) Seismic lines 1 to 10 Survey Company: Veritas Geophysical Ltd. Acquisition Company: Veritas Geophysical Ltd. Directions: 1, 2, 3, 5, 7, 9 (W to E) 4, 6, 8, 10 (N to S). Source Type: Vibroseis SP/VP Interval: 100 m Sweep: 10-56 Hz Sweep Length: 14 s Record Length/Sample Rate: 18 s, 4 ms Source Pattern: 4 Vibrators / 50 m Instrumentation: I/O System one Geophone Type: OYO 20 DX Frequency: 14 Hz Group Interval: 50 m Number of Geophones in a group: 9 Geophone Spacing: 1 every 4.25 m Geophone Pattern: 9 over 42 m Spread Configuration: Traces: 1 60 61 240 Distance: 3100<---->150<--> * <-->150<---->9100 (m)