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OPEN PIT SUBSIDENCE MONITORING
<br /> Stationary Survey Points
<br /> Point Elevation North East
<br /> WOO-1 12 , 372 . 16 17 ,049 . 95 20 , 354 .34
<br /> sop-2. 12 , 459 . 54 16 , 553 . 98 21 , 467. 75
<br /> son-5 12 ,312 . 91 15 , 985. 14 20, 975. 25
<br /> Washington Pit Subsidence Points
<br /> Point Date Elevation North East
<br /> wop-2 1988 original 12, 428 . 59 17 , 306 . 34 20 , 237. 75
<br /> 8-89 12 , 428 . 44 17 , 306 . 63 2.0 , 238 . 26
<br /> 10-89 12, 428 . 64 17 , 306 . 36 20, 237. 84
<br /> wop-3 1988 original 12 , 427. 57 17 , 157 . 51 20 , 675. 10
<br /> 8-89 12 , 427 . 36 17 , 157 . 56 20 , 675 . 47
<br /> 10-89 12 , 427. 50 17 , 157 . 51 20 , 675 . 13
<br /> wop-4 1988 original 12, 432. 70 17 , 380. 92 20, 272 . 77
<br /> 8-89 12 ,432 . 64 17, 380. 93 20 , 272 . 94
<br /> 10-89 12 , 432. 77 17 , 380 . 87 20, 272 . 78
<br /> won-6 10-89 12 , 483 . 85 17 , 484 . 50 2.0 , 151 . 42
<br /> Sunnyside Pit Subsidence Points
<br /> Point Date Elevation North East
<br /> sop-6A 8-89 12. , 401 . 21 16 , 577. 96 21 , 328 . 21
<br /> 10-89 12 , 400. 32 16 , 578 . 14 21 , 328 . 13
<br /> sop-6 1988 original 12, 405. 43 16 , 610 . 18 21 , 347 . 21
<br /> -APPENDIX A-
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