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i • <br />• <br />RESPONSES TO DMG QUEBTIONB <br />DATED FEBRUARY 18, 1993 <br />DMG REFERENCE RESPONSE <br />OUEBTION <br />P.2-Maps Map 5-1 has been revised to include the items <br />requested under this section. A revised Map <br />5-6 has been included to reflect changes <br />relevant to the gravel operations. Map 5-4 <br />has been revised to include the final <br />reclaimed topography of the gravel operations. <br />P.2-Sedmt Control The information requested in items "a-h" have <br />been included in the sediment control <br />appendix. <br />P.3 No. 1 Diversion Ditch No. 1 will remain until the <br />• gravel operations are initiated. At that time <br />it will be lengthened and terminated into <br />Sediment Pond No. 3 which will be sediment <br />control for the gravel mining operations. <br />Thus the sediment control for the gravel and <br />coal operations will be separate and distinct. <br />See the revised sediment control plan shown on <br />Map 5-l. <br />P.3 No.2 The East Collection Ditch will not need <br />modification for additional collection from <br />the gravel operations since the gravel <br />operations will have a separate and distinct <br />control system. <br />P.3 No.3 The mine activities for both the gravel and <br />coal operations have been planned to prevent <br />overlap of the collection channel onto the <br />gravel operations. The limited area of the <br />gravel pit involved with the collection ditch <br />will not be mined by the gravel operations. <br />New ditch designs have been enclosed in the <br />appendices. <br />P.3 No.4 The permanent channel realignment has been <br />• revised to reflect the 3.75 in. event. See <br />Appendix 5-2. <br />P.3 No.5 The basis for the maximum flows have been <br />