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LOG OF WELL MW-4 PROJECT EKHOLM PROPERTY LOCATION 1702 JACKSON AVENUE, ESCALON CA PROJECT NO 150047 01 DATE DRILLED 10/13-14/93 _ LOGGED BY LOIS FRANTZ REVIEWED BY GREG P STAHL RG No 5023 DRILLING COMPANY SPECTRUM EXPLORATION DRILLER JOEL STAPELTON METHOD HOLLOW STEM AUGER BORE HOLE DIAMETER 10 IN DEPTH DRILLED 85 FT DEPTH TO WATER INITIAL — 70 1 FT STATIC 6881 FL CASING TYPE PVC F480 DIAMETER 4 IN SCHEDULE 40 INTERVAL 0 FT TO 64 FT_ SCREEN TYPE PVC F480 DIAMETER 4 IN SLOT SIZE 0 020 IN INTERVAL 64 FT TO S4 FT FILTER PACK TYPE #3 SILICA SAND INTERVAL 62 FT TO 84 FT ' SURFACE SEAL TYPE NEAT CEMENT OVER 2' BENTONITE INTERVAL 0 FT TO 62 FL COMMENTS PAGE ?OF--L- WE—LL F3WELL DEPTH PID SAMPLE ID i U S C DESCRIPTION DETAIL FT PPM BLOWCOUNT LOG ' — 0-3 ASPHALT 2 3 -65/10' WELL GRADED SAND WITH SILT, 85% FN-CRS SA-SR W GRDO SND 5% FN SA--SR PRLY GRDO GRVL LS 10% FNS DRK YLLW BRN, NPO DRY, N HCL REACTION, WEAK CEMENTATION ' HOMO 4 Sw- SM/SC 2 b22 4 3 8 6 5/10-15 2' SILTY SAND 60% FN-CRS SA-SR W GRDD SND 57. FN, ' — SA-SR, PRLY GRDD GRVL, 357 FNS, L DRY STRNGTH, SLW DLTNCY, L-M TGHNSS M-H PLST, HRD ORNG ORN, NPO, 14 DRY N HCL REACTION WEAK CEMENTATION HOMO FeOx 11 2 2 50 FOR 4 ' 12 SM/SC - 14 EPMW4-15 5 6 152-165/20 WELL GRADED SAND >90% FN-CRS SA-SR, WELL GRDD 16 I B 12 SW MMOL SA-SR TRLDGRVL, S <57 FNS W BRN, NPO MSWEAKHCLREACTIONWEAK CEMENT- ' ATION, HOMO 18 �� 165/20-35 1 WELL GRADED SAND 100% FN-CRS SA-SR, W GRDD SND M ' 20 1 48 DNS LT-M YLLW BRN NPO, MST WEAK HCL REACTION, WEAK CEMENTATION HOMO 14 20 22 24 EPMW4-25 5' ' - 1 7 B SW 26 11 15 28 30 23 1t 16 23 32 34 35 1-357 WELL GRADED SAND WITH SILT >85% FN-CRS SA-SR W GRDD 6 SND M DNS, 15% FNS, DRK YLLW BRN NPO MST, WEAK WCL 11 5W-SM SC REACTION WEAK CEMENTATION, HOMO — 36 O 13 35 7-41' WELL GRADED SAND, 100% FN-CRS, SA-SR, W GRDD SND, 38 SW M DNS, M YLLW BRN NPO MST, WEAK HCL REACTION, WEAK CEMENTATION HOMO ' 40