				     JOB NO.:  107-03					       DATE:  MAY 21,1991
				      CLIENT:  LITHOPROBE				       FOLD:  6000%
					AREA:  ROUYN/NORANDA,QUEBEC		     DIR. LINE SHOT:  SOUTH TO NORTH
					LINE:  15				      PARTY MANAGER:  L. WHELAN
				       PARTY:  V-105					   OBSERVER:  F. ROSE
				      SOURCE:  VIBROSEIS				   OBSERVER:  M. MACEWEN

				      SPREAD PARAMETERS						   INSTRUMENTS

			       NO. OF TRACES:  240					       MAKE:  SERCEL
			      GROUP INTERVAL:  50 M.				 MODEL & SERIAL NO.:  368 / SN 135
			     SOURCE INTERVAL:  100 M.				      LOWCUT FILTER:  OUT
			      MINIMUM OFFSET:  150 M				     HIGHCUT FILTER:  89 HZ @ 72 dB/Oct.
			      MAXIMUM OFFSET:  8100/4100 M				      NOTCH:  OUT
			      SPREAD DIAGRAM:  8100 M -150 M.-VP-150 M.- 4100 M		PREAMP GAIN:  42 db
			  NO. OF STN. IN GAP:  5				      RECORD LENGTH:  14 SEC.
											SAMPLE RATE:  4 MS.
											   POLARITY:  SEG.

					  RECEIVER					   STACKER / CORRELATOR

			       GEOPHONE TYPE:  MARK L-410				       MAKE:  CALDER
			  GEOPHONE FREQUENCY:  14 HERTZ					      MODEL:  ASAP
				     DAMPING:  70 %				  MODE OF OPERATION:  CAS
			NO. OF GEO'S PER SET:  9				    NOISE REJECTION:  DIVERSTY STACK
				TYPE OF BASE:  2" SPIKE
			 GEOPHONE SEPARATION:  6.25 M.

					    TAPE					    SOURCE SYNCHRONIZER

				      FORMAT:  SEG Y DEMUX				       MAKE:  PELTON
				   TAPE TYPE:  MEMOREX					      MODEL:  ADV. II
				TAPE DENSITY:  6250 BPI					 SWEEP TYPE:  10-56 HZ,LINEAR,.5 TAPERS
			     TAPE NO.'S USED:  265 TO 298			       SWEEP LENGTH:  14 SEC.
										  NO.OF SWEEPS/V.P.:  8

					AUXILIARIES					      SOURCE

				      TAPE	     CAMERA
			    AUX #1:   C.PULSE	     C.PULSE			       MAKE & MODEL:  MERTZ 18B
			    AUX #2:   C.PULSE	     C.PULSE				 PEAK FORCE:  40,000 LBS.
			    AUX #3:						   NO.VIBS PER V.P.:  4
			    AUX #4:							DRAG LENGTH:  100 M.
										     PAD SEPARATION:  16.67 M.

		    COMMENTS: DATA QUALITY WAS FAIR TO GOOD ON MOST OF LINE.
