Scanned Wireline (Electrical) log for well 15-189-21241, the William Mast Unit 'B' 3 by MOBIL OIL CORP., located in Stevens County. Log is Dual Induction SFL Linear Correlation by Schlumberger, logged on 1988-09-19 from 1773 to 6181 feet. Bottom Hole Temperature is 133 degrees F. Well is located at T. 31 S, R. 36 W, sec. 24, spot: SW NE NE