2023-05-25_PERMIT FILE - M2022048 (15)

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MINING PLAN AND TIMETABLE EXHIBIT D(CONT) the section line, for the ROW along CR 21 . The slurry walls will be constructed 15 feet from the Per- mit/Affected lines or utility ROW lines, whichever is greater. The mining setback will be 25 feet inside the slurry walls . Mining in all Phases will be done after the slurry walls are completed around them so they can be dewatered and mined dry. Dewatering will continue until mining ends in each Phase to re- move any stormwater or leakage that accumulates in the mining areas and facilitate certification of the slurry wall . The area being permitted and much of the surrounding areas has historically been used as irrigated and non-irrigated cropland and vacant land. This site lays adjacent to the South Platte River, so it contains an alluvial gravel deposit in the eastern area, which extends west into a large terrace of gravel on the western areas . All mined areas will be reclaimed as ground water storage reservoirs using slurry wall liners . CURRENT CONDITIONS Large portions of the land to be permitted are currently operated as an irrigated farm, or used as rangeland. There are two rental houses and various barns and sheds in Phase 1 that are owned by the operator and will not be disturbed by mining. How- ever, the owner may choose to remove these at any time. There are various oil/gas lines and facilities on the permit area and 6 wells in Phases 3 & 4 that have been "shut in" and will eventually be plugged and abandoned. The oil and gas facil- ities will be removed by the producers and the supporting feeder lines will be abandoned and removed if they lie within the areas to be mined. They are shown on EXHIBIT C-CURRENT CONDITIONS MAP and EXHIBIT C-2-STRUCTURES, but left o f f of EXHIBIT C-1 -MINING PLAN MAP and EXHIBIT F-RECLA- MATION PLAN MAP because they will be removed prior to mining those areas . If they remain when mining starts in those areas, a Tech- nical Revision will be filed to show how LGE will deal with them. Where needed, the active farm facilities and support struc- tures, i.e. water wells, sprinkle pivots, distribution ditches, pipes and diversion structures will be removed as mining pro- gresses . There are no County Roads or public facilities on the permit area. The oil and gas facilities lying outside the slurry walls will not be disturbed by mining. EXHIBITC-CURRENT CONDITIONS MAP, shows the outline of the Affected Lands/permit area, the adjacent landowners within 200 feet of the L.G. EVERIST, INC-WEST FARM RESERVOIRS May 2023 5