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Homestake 2005 Geotest+nical ObservaLons <br />Pitch Reclamation Project Indtan Creek and Tie Cam~Creek Waste Rock Dumps. <br />2(N)5 Observations- Visual observations indicatr that the repairs perG+rmed in 1995 were <br />successful and no nrw areas of sur(irial instability (slips) were observed From ly9b through <br />21105. Piezometer'fC Illa~ monitors the "fie Camp Cn•~•k Wade [lock Dump. Water levels <br />aversged 171.5 Icet his, with .+ maximum observed seasonal fluctuation of 4.a feet during <br />21105. <br />3. Piczometen - 2W5 General Comments <br />The 211115 water Irvel mrasuremi•nls runhnuc to show the normal seasonal variations in the <br />depths h, water (:rod therefore the• thickni•ss of the saturated cone at the base of the wage <br />Rrx k Dumps). Following the dry renditions of 21N11 though 2002, the seasonal variations <br />noted in 20115 were back in line with historic variations. The saturated zone under the <br />dumps remains thin and similar to previous years. 1h'e will continue to evaluate Ore cause <br />and possible effects of the seasonal spik~n in du' water levels in some piezemeters, and <br />observe surface features of the dumps. f lowever, there continues to tx• no iraliration of <br />instability due to the phreatic levels in the waste ruck dumps. <br />Table t: Pitch Project -Depth to Water in Waste Rock Oump Piezometers ~tM odor Around wrfau rt catr (b95)j <br />172.4 <br />172.4 <br />9(202005 ZU3. r [x y _ ~o <br />101262005 203.1 252.9 229. <br />1111402005 203.1 252.9 229. <br />12115!45 <br />2005 Maximum 203.1 253.0 229. <br />~DiNrrrenbal <br />Homestarce Pitch Reclamo6on Probed <br />2005 Annual Geotechnicel ReOOrt <br />M~19; 7~ppINR <br />190.8 229.1 ~ 790.2 171.9 <br />0.6 13.8 7 8 4 3 <br />Page 3 <br />Decnm6er 2t 2005 <br />2005ReoonText doe <br />