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COLEMAN PIT EXHIBIT D - MINING PLAN The Saguache C'ounly Road and Bridge Department is planning expansion of our existing sand and gravel pit. currently not permitted. This would be a long term primary source I'or the entire County. Mining will be frow one existing pit. I. The Coleman pit would be within a 40 acre operation area which contains lenses o1' dirt. sand and gravel, and cobble stone. Use of all these materials as pit run or alter enhancement by screening and/o+• crushing. Asphalt will also he produced un site as well as Glassphalt. Mining will occw• in three stages, Stage one would be on the north side. Stage two would be on the east side and Stage three would be on the west side of the pit. Stage one will be completed before stage two would be started and Stage two will be completed before Stage three is started. Stork piles of all material will be placed either in the pit or on the surface of existing ground level. Stock piles +na,r he of up to 20' tall. Some waste material from our hot plant may be stork piled on site, but will be used at some time for road surfar,e material Mining of Yhese materials should occw• for ('L0) years based on estimates of annual usage. It is estimated that active mining will take place less that (180) days per ,rear. This pit would be no greater than a 20' depth at any point. ,~,_ Top soil/subsoil stock piles will he located on the norlh.easl and south sides of the pit. 'these Stockpiles shall not exceed a height of 12' to lessen visual impacts. Operation will be condur.ted with a crawler-dnzcr equipped with a ripper when the ground is frozen. A rubber fire loader will he used year round to dig, stockpile, and load materrals. Loader outloading will be onto 12 yard tandem or F yard single axle dump trucks. depending on work being don.'. During operations, the pit sides will be hacksloped, to aide in safety and of completion o1' each stage pal' facilitate rectam»tion. Tb No water diversion or impoundment should he neressan• as this pit is intended [o be a rlr,y pit. Mining practices will also follow the specification and procedures oulined in Attachment I of this Exhibit D. Other operators exper.ted to execute minin~~ nt' Ibis pit are: Colorado State Highways Local Contractors Agents of the County and of those l+sted above AJ1 of these "other" operators will arrange with the Saguache County Road and Bridge Department to negotiate compensation for reclamation costs proportionate to thier disturbance. Reclamation remains 'the responsibilty of the County under the terms of this Mining and Reclamation plan, and CMLRD reclamation permit.