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<br /> <br />Banks and Gesso, LLC <br />sump areas, and setting the pumping systems. Underground powerlines will be <br />constructed to provide power for the electric de-watering pumps and plant equipment. <br />Subsequent mining of Area 1 will progress westward toward Area 2. Mining with a near <br />vertical face (1:1) will occur in all areas. As soon as each area has reached its mining <br />limits, reclamation of the pit edges will begin. This will allow concurrent backfilling of the <br />perimeter with overburden being stripped from other mining areas. Approximately 2.3 <br />million tons of sand and gravel will be extracted during Phase 1 operations. Phase 1 is <br />expected to last 4 to 5.5 years. <br />Phase 2 <br />Once all materials have been extracted from Area 1, mining will continue into Area 2. <br />Area 2 will also be stripped of vegetation, topsoil, and overburden. Topsoil will be <br />stockpiled for later use in reclamation. Overburden may be placed directly in Phase 1 <br />areas that are being concurrently backfilled and reclaimed. Dewatering facilities will also <br />be extended into Area 2 at this time. Mining in Area 2 will proceed westward towards <br />Phase 3 areas and will see the removal of approximately 1.9 million tons of sand and <br />gravel. This phase is expected to last an additional 3.5 to 4.5 years. <br />Phase 3 <br />As in previous phases, topsoil, vegetation, and overburden will be stripped from Area 4 <br />prior to mining. Topsoil will be separated and stockpiled for later use in reclamation. <br />Overburden may be placed directly as slope backfill in previously mined areas as <br />reclamation occurs concurrently with continued mining of the property. Mining in Phase <br />3 will proceed in a westerly direction toward Weld County Road 17. Once mining limits <br />in Area 3 have been reached, mining will commence in Area 4. Phase 3 is expected to <br />last approximately 4.5 to 5.5 additional years and produce approximately 2.5 million tons <br />of sand and gravel. <br />Phase 4 <br />Topsoil, vegetation, and overburden will be stripped from Area 4 before the <br />commencement of mining takes place. Topsoil will continue to be stockpiled for <br />subsequent use in reclamation and overburden will continue to be placed directly onto <br />previously mined areas as slope backfill in support of reclamation efforts. Mining in <br />Nix Property Sand and Gravel Mine.CDMG.112 Permit 20075.WD <br />Owens Brothers Concrete Company May 2001 <br />9 <br />