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~iart; nr/ (f'C (`t~owr'e~iSl~e , June 23, 2006 Steve S. Shuey /, -~r Division of Minerals and Geology Grand Junction Field Office 101 South Third Street, Room 301 Grand Junction, CO 81416 f~@C@ht~ ~~~ Z s ~~~ Orand Junction ReW Office !Da&ton of Minarets & GeobgY RE: Reynolds Pit, F No. M-2006-028~Preliminary Adequacy Review /~+fQ~SC~~~RECiL~VLD Dear Mr. Shuey: AUG 0 7.2006 I will address the Adequacy Issues in the order that you presented them. orvisioo or Minere~s arw Gsolopr Gravel processing on site will include crushing, screening and stockpiling. There will be no washing on this site. 2. The applicant has no plans to store any hazardous materials on site at this time. The applicant is not an operator and has no operator contracted at this time. If an operator wishes to store hazardous materials on site it will be limited to diesel fuel and lubricants for crushing operations and the applicant will commit to requiring the operator to store such materials with acceptable spill containment structures. The applicant will also commit to submitting specifications and locations for planned storage of hazazdous materials before such storage commences. 3. Item C of the Mining Plan and the Mining Plan Map have been revised to show Stormwater controls. Copies are attached. 4. The site will be monitored throughout the life of the mine for the appearance of any noxious weeds. They will be sprayed with an approved herbicide in the fall and again in the spring to maintain control. Spraying will be done with a backpack sprayer or a tractor or ATV mounted sprayer as is common practice on this site and surrounding farmland. 5. We have specified a maximum highwall height of 25 feet for safety reasons. The deposit being mined has an average thickness of approximately 25 feet with an average of about 5 feet of soil and overburden. Some areas may actually be thicker in the north end near the Fedler Pit. Hence, the contours showing 30 feet of change. Material will be scraped from the top layers if needed to maintain safe highwall heights. 6. The reclamation plan states that highwall reduction will be done with a combination of cut and fill and backfilling with materials on site. We expect primarily cut and fill for this operation, but there may be significant quantity of unmazketable fill material that was used to level the land when the original farm fields were established. Some of this material was intended to be used to backfill haighwalls. As you point out, we need to bond for 1 acre with 6 feet of fill in the south section of the property. Therefore, the applicant will specify cut and fill for the highwall reduction and will use excess overburden and topsoil, if available, in the fill process for the south pit area.