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• <br />• <br /> <br /> <br />Based on our current assessment of the property's reserves and overburden thickness, volume <br />calculations for the minable acreage as shown on Figure D-1, a waste factor of five percent, and a <br />probable maximum production rate of 500,000 tons per year, the following timetable is proposed for <br />the four mining phases: <br />Mining Phase Minable Acreace Production (Million Tons) Aooroximate Duration (Yeazs) <br />Phase One 53.7 1.79 3.6 <br />Phase Two 89.0 2.98 5.9 <br />Phase Three 37.8 1.26 2.5 <br />Phase Four 21.5 0.7 1.4 <br />TOTALS 202.0 6.73 13.4 <br />It is assumed that all mining operations, including initial mobilization, plant relocation for Phase Four <br />mining, and final reclamation of grading and seeding will be accomplished within a 15 to 20 year life <br />span given current economic projections and anticipated production. Based on these projections and <br />during mining. <br />the above description, the following table has been prepared summazizing "Areas of Disturbance" <br />TABLE D-1 <br />AREAS OF DISTURBANCE'" (AND DURATION OF PHASES) <br />COOLEY GRAVEL COMPANY "LONGMONT OPERATION" <br />WELD COUNTY, COLORADO <br />Phase One {Approx. 4 Yeazs) <br />TYPE TOTAL (acresl <br />Major 53.7 <br />Moderate 21.5 <br />Minor 0 <br />a <br />~~~ <br />