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<br />).iINIIJG PLAM EX1[IBIT D 3 <br />• :When the 100 to 120 acres (7 to 9 years) between the fault <br />and gas line are depleted, the main quarry operation !^ould <br />proceed eastward Crom the o'_d quarry face north of the <br />quarry garage map pcc-1351 (sheet 4). Additional explorsti~.^. <br />.will be required in the 500 to 700 foot aide faulted zone <br />before a decision cri11 be made regarding removal of material <br />through the °one. <br />The plant refuse area located south and southeast of <br />she Portlant Cement pant is marked as affected areas on <br />naps pcc-1348 and 1349. These areas have been used to <br />deposit solid refuse material Crom the cemeia plant :;hich <br />lvi11 continue in this use. This refuse is trucked or <br />transported by pipeline from the plants. ':later from the <br />plant supply is used to wet this refuse as it is deposited <br />to suppress dust. It is possible that a portion of this <br />refuse may be transported tc depleted quarry areas in the <br />future. <br />(c) IJo e/ater is utilized in the quarry operation except for <br />sprinkling of haul roads and the refuse area. An old 4 <br />to 8-acre water impound~ent in a depleted area of the old <br />quarry is shown on map pcc-1351. Sur ice elevation !vas at <br />5,046 feet in October '_976, but varies slightly according <br />to season and rainfall. <br />This v/ater impoundc.ent has never raised high enough to <br />cause any concern, even thou~~h there is no visible outlet. <br />• It is apparent stater discharge seeps to the Arkansas river, <br />probably above the impervious Codell sandstone. <br />