Laserfiche WebLink
4. MINING TIMETABLE <br />The following timetable is a best estimate of the sequence of operations for the life of the mine after <br />December of 2002 and is based on mining and selling 200,000 tons of total product per year (this is <br />less than the permit rates but are expected averages): <br />Task <br /># Description Time Needed <br />months <br />1 Salvage topsoil from 3.0 acre area to stockpile 0.25 <br />2 Construct sediment pond in north central part of disturbed area and place <br />berm around entire permit area. 0.25 <br />3 Strip overburden from Phase 1, place in staging area (56,000 cy) 0.5 <br />4. Bring in portable crusher, screen plant, stackers, truck scale, scale house 0.5 <br />5 Mine Phase 1 (Approximately 8.0 acres) 26 <br />6 Remove overburden from Phase 2 and backfill into Phase 1 1 <br />7 Backfill naturals (fines) from processing Phase 1 raw grave] back into <br />Phase 1 pit. This will raise the level of the bottom of the pit by approxi- <br />mately 3.0 feet. 1 <br />8 Repeat Tasks 6 and 7 until all Phases are mined out. 77 <br />8 Use overburden and naturals placed in previously mined phases to back- <br />fill the slopes of the final Phase to 3.OH:1.OV. 1.0 <br />9 Retopsoil lake slopes. 0.5 <br />10 Reseed and mulch lake slope area and upper dryland areas 0.25 <br /> Total 108.25 <br />Gilsonite Pit 10/02 10 <br />