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Janwary 1993 Km Caa! Company • 1992.1nnua! Hyd+ulogy Repon • / <br />1.0 OPERATIONAL CONDITIONS <br />' Mining and reclamation activities at the Kerr Mine and Loadout continued during the 1992 <br />water year. Pit 1 coal production is expected to cease on approximately January 15, 1993. The <br />pit will be completed according to the permitted mine plan. As in 1991, mining activities were <br />i confined to the Pit 1 area and no additional areas were disturbed. Approximately 42,500 bank <br />cubic yards (BC1~ were excavated from the north end of Pit 1 and backfilled into the south end <br />of Pit 1. Approximately 34,600 compacted cubic yards (CC7~ w ove m the existing <br />overburden stockpile and placed in [he backfill in the 720 Pic. pproximatel 16.5 a s of the <br />720 Pit and 2.3 acres of Pit 1 were wnfigured to the permitted postmintng topography during <br />[he year. No topsoiling or final reclamation was conduced during 1992. <br />1 <br /> <br /> <br />1 <br />1 <br /> <br /> <br /> <br /> <br />~1 <br /> <br />IJ <br />\OORK \PRJ\xERR\IwlHYD.RPr <br />over s.~ ACZ /nr. • P.O. Boz 774018 • Stumboar Spsing, Colorado 80477 • (303J 879-6260 <br />