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r <br />STATE OF COLORADO <br />Roy Romer, Governor <br />DEPARTMENT OF NATURAL RESOURCES <br />MINED LAND RECLAMATION DIVISION <br />DAVID C. SHELTON, Dlreetor <br />DATE: December 9, 1987 <br />T0: Coal Ridge No. 1 File C-84-065 <br />FROM: Candace Thompson, Lead Specialist '' <br />RE: PATTERN OF VIOLATIONS C-87-013 and C-87-047 <br />During a twelve (12) month <br />the Coal Ridge No. 1 Mine. <br />C-87-013 May 19, 1987 <br />Breach in sediment control <br />C-87-047 November 18, <br />Breach in sediment control <br />period the following NOV's have been issued to <br />Failure to protect the hydrologic balance. <br />ditch. <br />1987 Failure to protect the h,~drologic balance. <br />ditch. <br />Both NOV's were issued for the same area. The operator took what appeared <br />to be appropriate steps to preclude further failure by using riprap in the <br />ditch. This again failed leading to the issuance of C-87-047. The operator <br />has now steepened the entire ditch section to preclude future failure. Due <br />to this apparent appropriateness of the initial repair it is determined that <br />no pattern of violations exists. <br />423 Centennial Building, 1313 Sherman Street Denver, Colorado 80203-2273 Tel. (303) 8663567 <br />