LITHOPROBE EAST (1989) Seismic lines 15A, 15B, 15C Survey Company: Capilano Geophysical Ltd. Acquisition Company: Capilano Geophysical Ltd. Source Type: Vibroseis SP/VP Interval: 20 m Sweep: Linear; 40-130 Hz Hz Sweep Length: 10 s Sweeps: 4 Record Length/Sample Rate: 16 s, 2 ms, sweep in channel 242 Source Pattern: 2 Vibrators / 20 m Instrumentation: CFS 5 / DFS V Geophone Type: Mark L28 Frequency: 14 Hz Group Interval: 10 Geophone Pattern: 12 every 10 m Spread Configuration: Tr.78<---10 m---> * <---10 m--->Tr.79 Tr.1<------780 m----> * <----1610 m------>Tr.240