2024-11-22_REVISION - M1999120 (4)

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MINING PLAN EXHIBIT D (CCNT) Description of Overburden,Deposit and Underlying Stratum Across the entire amendment area, approximately 3 feet of overburden (including approximately 6 to 18 inches of topsoil) will be removed from the mine areas and stockpiled for plant- growth material in surface reclamation or used as backfill for the pit slopes. An average thickness of approximately 33 feet of sand and gravel exists across the amendment area. Mining Timetable The continuing uncertainty of economic conditions in the construction materials industry precludes an accurate forecast of demand for materials during the life of the mine. This pit will be operated year-around by L.G. Everist, Inc. , weather permitting. There may be periods up to 18 months or more when the demands for material is slow and no mining will take place, creating an "intermittent operation" situation. We therefore, can only estimate the mining timetable based on an average year and may expect a specific year to vary widely from the average. Table D-1:Mining Phases R - ' i, : 10 Phases Years 4 , :>. .'- .% , - x 4,. � r ter' t ax Fort Lupton Sand and Gravel - North Area Parker-Panowicz 1-2 43.51 20.60 3,540 2/5/14 Swingle North 1-2 42.02 31.88 5,220 11/30/22 Fort Lupton West 2-3 47.81 41.25 4,320 10/13/04 Swingle South h-1 67.45 52.31 6,400 Pending Sandstead done 50.05 36.64 2,945 Proposed Blue Ribbon done 55.55 37.77 5,675 Pending Deep Lake done 7.90 5.75 0 NA South Area Funakoshi 1-3 42.97 27.39 4,770 Proposed Parker #1 1-2 43.17 22.17 4,230 Proposed Adams-Parker 2-3 72.92 43.83 11,755 Proposed Parker #2 1-3 33.27 26.83 4,545 Proposed Parker #3 1-2 43.12 32.71 7,860 Proposed Parker #4 2-3 56.94 48.11 6,315 Proposed New areas Northeast #1 3-4 70.87 56.82 7,350 Proposed Northeast #2 2-3 67.00 45.43 6,880 Proposed Northeast #3 1-1 12.12 4.52 2,925 Proposed Northwest 1-2 52.33 27.47 6,220 Proposed Totals 19-34 809.00 561,48 L.G.Everist, Inc. M-1999-120 Ft. Lupton Sand and Gravel November,2024 8