PERMFILE104556

• Permit No: C1981013
• IBM Index Class Name: Permit File
• Doc Date: 8/24/1998
• Section_Exhibit Name: EXHIBIT 24 SUBSIDENCE MONITORING DATA PART 1
• Media Type: D
• Archive: No

TABLE 27-C 711MORA CANYON SUBSIDENCE MONITORING
Survey Chan a trom B aseline Surve Chan a from Previous Surve Chan a last 12 Months
Point Dafe Northing Easting Elevation +/-HD +1-Elevation +/-HD +/-Elevation +/-HD +/-Elevation
#28 Feb 1994 8518.41 -98799.02 7398.12 Void? Void?
A ri11994 8518.77 -98799.44 7380.02 0.55 0.55
Au .1994 8518.77 -98799.44 7383.93 0.55 -3.91 0.00 -3.91
Dec. 1994 8518.34 -98800.27 7383.87 1.26 0.06 0.94 0.06
March, 1995 7402.18 Void? Void?
28A Dec. 1994 8519.56 -98800.21 7360.05 Void? Void?
March, 1995 7398.88
June, 1995 7398.82 0.06 0.06
Se t., 1995 7398.92 -0.04 -0.10 Adjacent Panel Miried
Nov., 1995 7398.85 0.03 0.07 July 95
Mar., 1996 8520.26 -98802.91 7398.88 2.79 0.00 2.79 -0.03
June, 1996 8520.25 -98802.96 7398.88 2.84 0.00 0.05 0.00
Se t., 1996 8520.24 -98802.99 7398.86 2.86 0.02 0.03 0.03
Dec., 1996 8520.25 -96802.85 7396.83 2.72 0.05 0.15 0.02 0.07 U.02
Mar., 1997 8520.26 -98802.86 7398.83 0.05 -0.01 0.02 0.00
Au ., 1997 8520.27 -98802.68 7398.84 0.04 -0.02 0.02 -0.01
Sept., 1997 8520.26 -98802.88 7398.83 0.03 -0.01 0.01 0.01 0.03 0.00
X29 Feb 1994 8555.01 -98790.82 7410.47 Voitl? Void?
A ri11994 8555.39 -98791.05 7392.18 0.44 0.44
Au .1994 8555.39 -98791.05 7396.10 0.44 -3.92 0.00 -3.92
Dec. 1994 8555.21 -98792.46 7395.95 1.65 0.15 1.42 0.15
March, 1995 Void? Void?
29A Det. 1994 8561.96 -98790.87 7394.91 Void? Void?
March, 1995 7413.76
June, 1995 7413.74 0.02 0.02
Se t., 1995 7413.77 0.00 -0.03
Nov., 1995 7413.70 ~ 0.07 0.07 Adjacent Panel Mined
Mar., 1996 8562.65 -98793.74 7413.73 2.95 0.03 2.95 -0.03 July 95
June, 1996 8562.63 -98793.79 7413.73 2.99 0.03 0.05 0.00
Se t., 1996 8562.63 -98793.80 7413.70 3.00 0.06 0.01 0.03
Dec., 1996 8562.65 -98793.67 7413.69 2.88 0.07 0.13 0.01 0.07 0.01
Mar., 1997 6562.65 -98793.68 7413.69 0.06 0.05 0.01 0.00
Au ., 1997 8562.66 -98793.66 7413.70 0.06 0.04 0.01 -0.01
Sept.. 1997 8562.64 -98793.69 7413.70 0.05 0.04 0.02 0.00 0.05 -0.01
A30 Feb 1994 8579.91 -98782.16 7421.55 Vaid? Voitl7
A ri11994 8580.39 -98782.64 7403.59 O.fi6 0.68
Au .1994 8580.39 -98782.64 7407.14 O.fiB -3.55 0.00 -3.55
Dec. 1994 8578.39 -98784.31 7406.87 Void? 0.27 Vaid? 0.27
March, 1995 7425.64 Void? Void?
30A Dec. 1994 8580.72 -98783.78 7407.44 Void? Void?
March, 1995 7421.82
June, 1995 7421.80 0.02 0.02
Se t., 1995 7421.80 0.02 0.00 Adjacent Panel Mined
Nov., 1995 7421.73 0.09 0.07 July 95
Mar.. 1996 8581.33 -98786.61 7421.75 2.90 0.07 2.90 -0.02
June. 1996 8581.34 -98786.63 7421.76 2.92 0.06 0.02 -0.07
Se t., 1996 8581.33 -98786.64 7421.73 2.93 0.09 0.01 0.03
Dec.. 1996 8581.33 -98786.53 7421.72 2.82 0.10 0.11 0.01 0.08 0.01
Mar., 1997 8581.33 -98786.55 7421.71 0.06 0.09 0.02 0.01
Au ., 1997 8581.33 -98786.57 0.04 7421.80 0.02 7421.77
Sept., 1997 8581.33 -98786.56 7421.73 0.05 0.07 0.01 -7421.73 0.03 -0.01
#31 Feb 1994 8621.08 -98769.69 7425.73 Void? Void?
A nl 1994 8621.08 -98769.40 7415 82 0.29 0.29
Au .1994 8621.08 -98769.40 7411.38 0.29 4.44 0.00 4.44
Dec. 1994 8679.85 -98771.24 7411.14 1.98 0.24 Void? 0.24
March, 1995 7429.79 Voids Vaid?
31A Dec. 1994 8622.12 -98770.47 7407.81 Void? Vaid?
March, 1995 7426.41
June, 1995 7426.37 003 0.03
Se t.. 1995 7426.38 0.03 -0.07 Adjacent Panel Mined
Nov , 1995 7426.31 0.09 O.Ofi July 95
Mar.. 1996 6622.90 -98773.00 7426.35 2.65 -0.66 2.65 -0.04
June. 1996 8622.92 -98773.03 7426.35 2.68 0.05 0.03 0.00
Se t.. 1996 8622.92 -98773.04 7426.33 2.69 0.07 0.01 0.02
Dec.. 1996 8622.92 -98772.94 7426.33 2.60 0.08 0.70 0.01 0.06 -0.01
Mar., 7997 8622.93 -98772.94 7426.32 0.07 0.05 0.07 0.01
Au ., 1997 8622.92 -98772.95 7426.32 0.05 0.05 0.01 0.00
Sept., 1997 8622.91 -98772.96 7426.33 0.04 0.04 0.01 -0.01 0.02 -0.01
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Exhibit 24 Page 31 Revised 8r21/98