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FROM HRRT ENUIRONMENTRL • PHONE N0. 303 448 9209 <br />III IIIIIIIIIIIIIIII <br />HART ENVIRONMENTAL <br />• Rpr. 02 2001 12:00PM P3 <br />A M~m6n o) tba Aggregate Environmental Resource Group. LLC. ~ Michael I. Hart ~ Assor.iatrr <br />March 30, 2001 <br />Mr. James C. Stevens <br />Colorado Department of Natural Resources <br />Division ofMinerals and Geology <br />1313 Sherman Street, Room 215 <br />Denver, CO 80203 <br />Re: Permit #M-79-189 (S-4 Pit) <br />Dear Jim <br />This letter is written as afollow-up to our February meeting regarding Superior <br />Sand and Gravel's (Rio Grand Co.) sand pit located along Sand Creek west of Picadilly <br />Road. <br />At that meeting, you recott»riertded that Rio Grande provide the Division of <br />Minerals and Geology (DMG) with a revised Mining and Reclamation Plan, one that <br />better fits the company's current plans for the property. Since our February meeting, Rio <br />Grande has been reevaluating its S-4 Pit operations in order to formulate appropriate <br />revisiorLS to the cuaern mirring and reclamation However, additional work remains to be <br />done. In particular, the tympany will have the remainiIIg mining stages drilled in mid- <br />April, 2001, to determine the extent of its recoverable sand reserves and how best to mine <br />and reclaim them. <br />Therefore, on behalf of Rio Grande Co., I wish to request a 60-day extension of <br />time in order to complete the ongoing evahration of the S-4 Pit and to submit the <br />appropriate revisions to the Mining and Reclamation Plan The corrtpany proposes to <br />submit these revisions to the DMG no later than May 31, 2001. <br />Please do not hesitate to call if you have any questions regarding this letter. <br />Sincerely, <br />;;;; Mraaem Anemia MrchaCl J. (Mike) FIert <br />P.(). Idar r.to] ~ . . <br />Boulder. (.'lJ NufrM CC: BIeIIt BroekemCler <br />!'b?ax..io~.i ~ r. cco~ <br />Wttlande Bankina <br />F..oironmrnrul ALrnuganmi <br />Lmd Cls Plnnnmy <br />Rrciumation llniJn <br />. Pmniuuy a 7nnmg <br />