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i <br />MOUNTAIN COAL COMPANY WEST ELK MINE SUBSIDENCE UPDATE THROUGH <br />JULY 1997 <br />SUBSIDENCE POINT # <br />PRE-MINING NORTHING <br />SURVEY #1 FASTING <br />APR. 1985 ELEVATION <br />PRE-MINING NORTHING <br />SURVEY #2 FASTING <br />OCT. 1985 ELEVATION <br />AVERAGE OF NORTHING <br />PRE-MINING FASTING <br />SURVEYS ELEVATION <br />POST-MINING NORTHING <br />SURVEY #17 FASTING <br />OCT. 1993 ELEVATION <br />POST MINING NORTHING <br />SURVEY #18 FASTING <br />JUL. 1994 ELEVATION <br />POST MINING NORTHING <br />SURVEY #19 FASTING <br />OCT. 1994 <br />__________________ ELEVATION <br />____________ <br />POST MINING NORTHING <br />SURVEY #20 FASTING <br />AUG. 1995 ELEVATION <br />POST MINING NORTHING <br />SURVEY #21 FASTING <br />OCT. 1995 ELEVATION <br />POST MINING NORTHING <br />SURVEY #22 FASTING <br />JULY 1996 ELEVATION <br />POST MINING NORTHING <br />SURVEY #23 FASTING <br />OCT. 1996 ELEVATION <br />POST MINING NORTHING <br />SURVEY #24 FASTING <br />JULY 1997 ELEVATION <br />SUBSIDENCE (CURREN T) <br />from Oct. 1996 to July 1997 <br />(-) Indicates Rise in Elevation <br />TOTAL SUBSIDENCE <br />from average pre-m ining surveys <br />to July 1997 <br />1 <br />395478.26 <br />1442168.80 <br />7867.19 <br />395478.14 <br />1442168.21 <br />7867.24 <br />395478.20 <br />1442168.51 <br />7867.22 <br />395475.17 <br />1442165.36 <br />7859.83 <br />395475.00 <br />1442165.01 <br />7859.80 <br />395475.34 <br />1442164.91 <br />7859.78 <br />395474.95 <br />1442164.38 <br />7859.84 <br />395474.91 <br />1442164.60 <br />7859.98 <br />395474.92 <br />1442164.60 <br />7859.98 <br />395475.06 <br />1442164.63 <br />7859.97 <br />395475.06 <br />1442164.63 <br />7859.97 <br />0.00 <br />-0.25 <br />7.24 7.57 <br />3 <br />395471.62 <br />1442269.11 <br />7811.65 <br />395471.50 <br />1442268.96 <br />7811.66 <br />395471.56 <br />1442269.04 <br />7811.66 <br />395469.49 <br />1442266.23 <br />7803.77 <br />395469.38 <br />1442265.85 <br />7803.74 <br />395469.58 <br />1492265.78 <br />7803.62 <br />395469.09 <br />1442265.90 <br />7803.84 <br />395469.30 <br />1442265.46 <br />7803.95 <br />395469.28 <br />1442265.58 <br />7804.01 <br />395469.49 <br />1442265.64 <br />7803.97 <br />395469.37 <br />1442265.56 <br />7804.20 <br />-0.23 <br />4 <br />395468.70 <br />1442318.14 <br />7782.14 <br />395468.61 <br />1442317.80 <br />7782.15 <br />395468.66 <br />1442317.97 <br />7782.15 <br />395466.79 <br />1442315.64 <br />7776.83 <br />395466.70 <br />1442315.39 <br />7776.81 <br />395467.00 <br />1442315.26 <br />7776.67 <br />395466.59 <br />1442315.38 <br />7776.92 <br />395466.64 <br />1442314.78 <br />7777.05 <br />395466.56 <br />1442314.98 <br />7777.12 <br />395466.78 <br />1442315.00 <br />7777.08 <br />395466.62 <br />1442315.01 <br />7777.33 <br />-0.25 <br />7.45 4.82 <br />Page 1 96YR.XLS <br />2 <br />395475.16 <br />1442218.42 <br />7846.86 <br />395474.98 <br />1442218.04 <br />7846.87 <br />395475.07 <br />1442218.23 <br />7846.87 <br />395472.20 <br />1442214.75 <br />7838.91 <br />395471.92 <br />1442214.48 <br />7838.91 <br />395472.40 <br />1442214.38 <br />7838.79 <br />395471.80 <br />1442214.23 <br />7839.01 <br />395471.87 <br />1442213.98 <br />7839.08 <br />395471.90 <br />1442214.11 <br />7839.10 <br />395472.11 <br />1442214.10 <br />7839.04 <br />395471.89 <br />1442214.12 <br />7839.29 <br />