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.. iiiiiiiiiiiiiiiiiii • <br />999 ~ <br />STATE OF <br />COLORADO <br />DIVISION OF MINERALS AND GEOLOGY <br />Depanmenl of Natural Resources <br />1313 Sherman SI., Room 215 J+y <br /> <br />Denver, Colorado 80203 ~~ <br /> <br />Phone: (303) 866-3567 III <br />FA%:1307) 8328106 <br /> DEPARTMENT OF <br /> NATURAL <br /> RESOURCES <br />July 8, 1996 Roy Romer <br /> Governor <br />Mr. Robert C. McAtee lames S. LOehhead <br />Eaecuuve Director <br />Sterling Ready-Mix Concrete Company Mienaeie Eonp <br />P.O• Box 1149 Division Director <br />Sterling, CO 80751 <br />RE: Technical Adequacy Review of Conversion Permit Application, <br />Permit No. M-86-147, Harley Pit No. 1 <br />Dear Mr. McAtee, <br />This letter is written to address technical adequacy issues <br />associated with your conversion permit application for Harley Pit <br />No.l, M-86-147. At this time, the Division of Minerals and Geology <br />(DMG) has several issues which require resolution. <br />A) In Exhibit D - Mining Plan, it is stated that no <br />groundwater had been exposed in the past, and that the exact <br />depth to groundwater was unknown. DMG requires a firmer <br />commitment from the Operator to not expose groundwater during <br />operations at the pit; and the Division also requires an exact <br />depth for groundwater in the area to be mined. Please provide <br />us with this information. <br />B) In Exhibit E - Reclamation Plan, the reclamation measures <br />described are incomplete. Please make a commitment as to the <br />exact depth of topsoil to be replaced at the site after mining <br />(the Division recommends a range of 6" to 10" in depth. <br />C) How will grazing be managed to allow proper plant <br />establishment as required by Rule 3.1.10(4)? Please provide <br />details. <br />C) In Exhibit S - Permanent Structures Within 200 Feet, it is <br />stated that an agreement with the structures' owner was not <br />required, since that individual was the same person from whom <br />the Operator was leasing mining rights. C.R.S 34-32.5- <br />115(4}(e) requires that for structures within 200 feet of a <br />permitted operation, "there is an agreement between the <br />Operator and the persons having an interest in the structure, <br />[such] that damage to the structure is to be compensated for <br />by the Operator, or where such an agreement cannot be reached, <br />the applicant provides an appropriate engineering evaluation <br />