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42,05 APPLICATION FOR PERMIT FOR SDRFACE OR UNDERGROUND MINING ACTIVITIES -- MINIMOM REQUIREMENTS FOR OPERATION AND RECLAMATION PLANS. 2.05.6 Mitigation of Surface Coal Mining Operation Impacts. (Cont'd.) (3) (b) (iv) (Cont'd.) required to meet NPDF.S standards. Prior to cessation of operations, all surface distur- bances will be reclaimed and revegetated. The sediment-control system could remain in place until the liability period lapses. As a re- sult, the increased sediment load from dis- turbed areas would not be expected to reach receiving streams (C^SLRD, 1983). Groundwater Effects - Mine Site Because of the lack of groundwater resources in the mine site area, no impacts are antici- pated . The North Fork of the Gunnison alluvium as de- scribed in Section 2.04.7 will not be impacted as the result of coal mining activities. This prediction is based upon the All vial Valley Floor Phase III report prepared by Geo-Hydro • Consulting, Inc. (Volume 4) which also addres- ses the restoration of essential hydrologic functions of this resource. Water level data obtained from monitoring wells MW-1 through MW-3, located at the train to adout area, sub- stan[iates [he prediction. Groundwater Effects - Permit and Adjacent Area The three areas of colluvial/alluvial hydro- logic resource, as described in Section 2.04.7, will not be impacted due to the pro- posed Subsidence Control Plan (refer to Sec- tion 2.05.6). These areas of Renewable Re- source Lands will not be undermined during the first permit term and will be monitored com- mencing in Spring 1985 to substantiate this prediction. The remainder of the colluvial/- alluvial deposits, although not extensive nor well developed enough to be considered Renewa- ble Resource Lands, are not expected to be im- pacted by coal mine subsidence. Springs issu- ing from colluvial debris are not expected to Added 03/07/85 Revised 10/01/87 127