Laserfiche WebLink
<br />• Mined Land Reclamation 8 December 11, 1989 <br />STATION U23 <br />July, 1987 <br />October, 1987 <br />June, 1988 <br />November, 1988 <br />July, 1989 <br />November, 1989 <br />Mean <br />404,212.45 <br />404,212.49 <br />404,212.50 <br />404,'12.51 <br />404,212.57 <br />404,212.64 <br />404,212.52 <br />1,441,756.40 6143.78 <br />1,441,756.41 6143.81 <br />1,441,756.44 6143.78 <br />1,441,756.44 6143.79 <br />1,441,756.45 6143.75 <br />1,441,756.43 6143.75 <br />1,441,756.43 6143.78 <br />Relative movement between surveys is shown in the following <br />Tables. <br />Table 3 Subsidence - Relative Movement <br />Period of November, 1988 to July, 1989 <br />Table 4 Subsidence - Relative Movement <br />Period of July, 1989 to November, 1989 <br />Table 5 Slope Stability - Relative Movement <br />Period of November, 1988 to July, 1989 <br />• <br />Table 6 Slope Stability - Relative Movement <br />Period of July, 1989 to November, 1989 <br />TABLE 3 - SUBSIDENCE <br />SUBSIDENCE POINT CHANGES - RELATIVE MOVEMENT <br />NOVEMBER, 1988 TO JULY, 1989 <br />Point Horizontal Distance Beering Elevation <br />No. <br />UT2 0.11 N45°00'E -0.26 <br />U4 0.15 N53°08'W -0.13 <br />U1 0.16 N47°29'W -0.11 <br />U3 0.09 N06°20'E +0.03 <br />U2 0.09 NO6°20'W -0.02 <br />U5 0.11 N41°11'W +0.08 <br />U9 0.11 N15°15'W +0.02 <br />UA1 0.18 N42°43'W -0.09 <br />U8 0.15 N07°36'E -0.01 <br />The error in horizontal position is due to the error inherent to <br />any survey. The error of closure for this traverse was 0.27 feet <br />of error in a total traverse distance of 18,207 feet which <br />reflects a closure ratio of 1 pert in 67,000. <br />• The elevations show a change that reflects a drop in value of <br />0.05 feet on the average. <br />