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i <br />i <br />a <br /> <br />EXHIBIT D 77 <br />Mining Plan <br />Type of Deposit: <br />Nominal thickness: <br />Nominal thickness A&B Horizons: <br />Acreage of Affected Lands: <br />Acreage of Excavated Area: <br />Mining Method: <br />Equipment: <br />sand and gravel <br />50' <br />0-12" <br />170 <br />95 <br />wet pit - dragline <br />1 - 2 cubic yard dragline <br />2 - 5 cubic yard tandem dumptrucks <br />2 - front end loaders <br />- miscellaneous support equipment <br />Performance and Timetable (see Extraction Plan Map in Ex. C) <br />General - This pit, which has been operating for several years, <br />consists of a wet pit with sand and gravel being excavated to a depth of <br />as much as 50 feet. A dragline excavates the sand and gravel which is <br />crushed, washed, graded and stockpiled. Dewatering is accomplished as <br />necessary by pumping into holding ponds and gravity flow into the Poudre <br />River. With the exception of the water in the pit, no surface water is <br />impounded or diverted. <br />The following references to phases and timetables are based upon an <br />assumed annual production rate of approximately 200,000 tons per year. <br />This represents a disturbance of about six acres per year. These <br />projections are subject to change*based upon market conditions and the <br />quantity and quality of product encountered as mining proceeds. As the <br />size of the mined area increases, the pond areas become larger and