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MINED LAND RECLAMATION DIVISION Department of Natural Resources 1313 Sherman St., Room 215 Denver, CO 80203 303 866-:3567 Fn x: 303 832-8106 DATE: August 16, 1991 T0: Mr. Robert J. Olson, Engineer FROM: Larry Oehler, Reclamation Specialist RE: File No. M-89-010 / Adequacy Items STATE OF COLORADO OF ~~[pq -~ Y HC~ O rlo y~ ~. ~ 1876 ~ Roy Ramer, Governor Fretl R Banta, Division Diretlor The following items must be addressed by the applicant in order to satisfy the applicable requirements of C.R.S. 34-32-101 et sec. and the Mineral Rules and Regulations of the Mined Land Reclamation Board: R2clamatlo~ Plan Map 1. Your response to this adequacy item included a new Reclamation Plan Map and a narrative referencing the original reclamation map included with your conversion application. The Division considers the need maps submitted with your adequacy response to be replacement maps and will discard the original maps. The new map does not show the expected physical appearance of the affected land, correlated to the proposed mining and reclamation time table, as required by Rule 1Z.1.Z(7)(a). This Rule specifically states that "the map must show proposed topography of the area with contour lines of Sufficient detail to portray the direction and rate of slope of all reclaimed lands. Please make the necessary changes to the replacement maps. EXHI9I>• L - R2clamatio~ Costs A changed reclamation plan was submitted with your adequacy review responses. The changes affecting reclamation costs are the reclamation highwall slope change from 2:1 to 3:1, the placement of 6 to 10 inches of topsoil substitute, hydro-seeding and hydro-mu '.thing. According to Rule 2.1.Z(13), reclamation cost figures must reflect costs of reclamation that would be incurred by the State. New Item 1. Please explain the details of how the 3.3 m.c.f. of blasting was calculated. It is assumed that benches will be blasted to form the 3:1 slopes. How many benches of what dimensions will be blasted?