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.~~ • "~~~ Mine Office: P.O. Box 960 Carbondale, Colorado 81623 (303) 9633440 May 28, 1985 Ms. Candice Thompson Reclamation Specialist Mined Land Reclamation 1313 Sherman Street, Room 423 Denver, CO 80203-2273 RE: NOV Number C-85-037 Dear Candy: ~IIII~II~II~II~~II~ SNOWMASS COAL COMPANY ,~,,. The purpose of this letter is to relate to you the information gathered by Snowmass Coal Company in performing the abatement proced~refor NOV C-BS-037 and to show that no violation of the Division's regulations or Snowmass' permit has occurred. On May 2, 1985, Snowmass performed an auger survey on our refuse pile in order to determine the depth of non-toxic cover on the lifts. The results of this survey are. shown on the attached drawing. As you will note, with the exception of two drill holes, there was more than four feet of non-toxic cover on the three completed lifts, The two holes that showed 3.6 feet of cover are located near the edges of the refuse pile and may have been subjected to settling. This survey should satisfy Step 1 of the abatement procedures of NOV C-85-G37. NOV C-85-037 was written based on the data the Division obtained when Division Representatives dug holes on the uppermost lift. On Page 4-46 of Snowmass' permit, it states "Reclamation of this area (refuse pile) will be done in increments as the lifts are completed. Final compacted waste will be covered with four feet of good quality fill material." It is Snowmass' position that the uppermost lift has not been completed. On May 22, 1985, Snowmass measured the height of the uppermost lift and determined that its total height from the lower bench was 26 feet. On Drawing D-9-12 of Snowmass' permit, it states that a lift is completed when it reaches a vertical height of 40 feet. Therefore, since