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STATE OF COLORADO <br />DIVISION OF RECLAMATION, MINING AND SAFETY <br />Department of Natural Resources <br />1313 Sherman St., Room 215 <br />Denver, Colorado 80203 <br />Phone: 1303) 866-3567 <br />FAX: (303) 832-8106 <br />August 23, 2007 <br />Mr. Kenneth Morrison <br />Lincoln County <br />103 3rd Avenue <br />Hugo, Colorado 80821 <br /> <br />Re: M-2004-001 Lofdahl Pit conversion application Adequacy comments. <br />Dear Mr. Morison: <br />COLORADO <br />DIVISION OF <br />RECLAMATION <br />M[NING <br />- &- <br />SAFETY <br />Bill Ritter, Jr. <br />Governor <br />Harris D. Sherman <br />Executive DireROr <br />Ronald W. Cattany <br />Division Director <br />Natural Resource Trustee <br />The Division has reviewed your conversion application of the Lofdahl pit from 8.5 acres 110 construction <br />materials permit to a 112 covering a total of 28.2 acres. The operator had also re-surveyed the existing permit <br />area and had the error corrected for the conversion application. <br />To date, the Division has not received a copy of the actual News Paper Notice. Please provide a copy for our <br />records. <br />I) All exhibits were found to be adequate. Even though the mine is being converted into a 112, <br />according to the application, the amount of affected acres at any give time will not exceed the <br />current affected area. <br />II) The Mining plan will consist of only font end loaders and trucks. No screening or crushing will <br />take place on site. <br />III) The maximum acres that will be affected at any give time will not exceed 9 acres. Once mining is <br />completed, reclamation will commence contemporaneously. <br />IV) All available top soil will be salvaged and properly seeded unless used for reclamation with in <br />180 days. The two to four feet of overburden that underlies the top soil will either be used as <br />binder for the sand or stockpiled for later use in reclamation. Depth of the sand to be mined <br />ranges in thickness from seven feet to fifteen feet. All reclaimed slopes will be at 3:1 or gentler. <br />V) The seed mix will be as approved by the local N.C.R.S. Noxious weed control will be as noted <br />during the Pre- operational inspection. <br />VI) The mining plan will not expose any ground water. All the stone water will be contained within <br />the pit. After contacting the Colorado Department oh Health, about the need to obtain a storm <br />water discharge pelmit, you were told that as long as the storm water discharge is contained with <br />in the pit, there will be no need for such a permit. <br />Office of Office of <br />Mined Land Reclamation Denver Grand Junction • Durango Active and Inactive Mines <br />