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MOUNTAIN COAL COMPANY WEST ELK MINE SUBSIDENCE UPDATE THROUGH <br />OCTOBER 1996 <br />SUBSIDENCE POINT # <br />PRE-MINING NORTHING <br />SURVEY #1 EASTING <br />APR. 1985 ELEVATION <br />PRE-MINING <br />SURVEY #2 <br />OCT. 1985 <br />AVERAGE OF <br />PRE-MINING <br />SURVEYS <br />POST-MINING <br />SURVEY #17 <br />OCT. 1993 <br />POST MINING <br />SURVEY #18 <br />JUL. 1994 <br />POST MINING <br />SURVEY #19 <br />OCT. 1994 <br />POST MINING <br />SURVEY #20 <br />AUG. 1995 <br />POST MINING <br />SURVEY #21 <br />OCT. 1995 <br />NORTHING <br />EASTING <br />ELEVATION <br />NORTHING <br />EASTING <br />ELEVATION <br />NORTHING <br />EASTING <br />ELEVATION <br />NORTHING <br />EASTING <br />ELEVATION <br />NORTHING <br />EASTING <br />ELEVATION <br />NORTHING <br />EASTING <br />ELEVATION <br />NORTHING <br />EASTING <br />ELEVATION <br />POST MINING NORTHING <br />SURVEY #22 EASTING <br />JULY 1996 ELEVATION <br />POST MINING NORTHING <br />SURVEY #23 EASTING <br />OCT. 1996 ELEVATION <br />----------------- ------------ <br />----------------- ------------ <br />SUBSIDENCE (CURRENT) <br />from July 1996 to Oct. 1996 <br />(-) Indicates Rise in Elevation <br />----------------- ------------ <br />----------------- ------------ <br />TOTAL SUBSIDENCE <br />from average pre-mining surveys <br />to OCT. 1996 <br />1 2 3 <br />395478.26 395475.16 395471.62 <br />1442168.80 1442218.42 1442269.11 <br />7867.19 <br />------------ 7846.86 <br />------------ 7811.65 <br />------------ <br />------------ <br />395478.14 ------------ <br />395474.98 ------------ <br />395471.50 <br />1442168.21 1442218.04 1442268.96 <br />7867.24 7846.87 7811.66 <br />395478 20 395475 07 395471 56 <br />1442168.51 1442218.23 1442269.04 <br />7867.22 7846.87 7811.66 <br />395475.17 395472 20 395469 49 <br />1442165.36 1442214.75 1442266.23 <br />7859.83 7838.91 7803.77 <br />395475.00 395471.92 395469.38 <br />1442165.01 1442214.48 1442265.85 <br />7859.80 7838.91 7803.74 <br />395475.34 395472.40 395469.58 <br />1442164.91 1442214.38 1442265.78 <br />7859.78 7838.79 7803.62 <br />------------ <br />395474.95 ------------ <br />395471.80 ------------ <br />395469.09 <br />1442164.38 1442214.23 1442265.90 <br />7859.84 7839.01 7803.84 <br />395474.91 395471 87 395469 30 <br />1442164.60 1442213.98 1442265.46 <br />7859.98 <br />------------ 7839.08 <br />------------ 7803.95 <br />------------ <br />------------ <br />395474.92 ------------ <br />395471.90 ------------ <br />395469.28 <br />1442164.60 1442214.11 1442265.58 <br />7859.98 <br />------------ 7839.10 <br />------------ 7804.01 <br />--- <br />-- <br /> <br />------------ <br />395475.06 <br />------------ <br />395472.11 - <br />---- <br />-- <br />------------ <br />395469.49 <br />1442164.63 1442214.10 1442265.64 <br />7859.97 <br />------------ <br />------------ 7839.04 <br />------------ <br />------------ 7803.97 <br />------------ <br />------------ <br />0.01 0.06 0.04 <br />7.24 7.82 7.68 <br />Page 1 SUBDOC96.XLS <br />