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salvaged when lazge-scale topsoil stripping operations begin (upon approval of PR07). Drill <br />sites ~, 7, and 12 will be backfilled and graded, retopsoiled, seeded and mulched upon <br />completion of the borehole. Boreholes will be backfilled and plugged with concrete or other <br />similaz material following drilling, ~n accordance with Rule 4.07. <br />All seven holes completed as piezometers are planned to remain in place during and after the <br />construction of the Sylvester Gulch Facilities. [f a piezometer happens to be destroyed by <br />construction, the hole will be plugged and abandoned at that time. <br />v <br /> <br />Exhibit 69 <br />A~farch 1997 <br />ezh69mr210.doc <br />