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<br />• October 16, 1992 <br />TO WHOM IT MAY CONCERN: <br />The attached Application for Amendment to Colorado Mined Land <br />Reclamation Permit No. 77-398 is to change the permit <br />boundary for the Boettcher limestone quarry from the tightly <br />drawn original boundary to natural boundaries, i.e.: The <br />Water Supply and Storage Co., and Windsor canals, and the <br />property line on the east, and the western edge of the <br />existing overburden piles on the west. This would accomplish <br />three purposes: <br />1. Overburden piles which have inadvertently overrun <br />the original boundary will be placed within the <br />permit and bond; <br />2. The extension of the permit boundaries will allow <br />Holnam to use some of the "pre-law" overburden piles <br />and then reclaim those areas which could not have <br />been used or reclaimed under the existing permit; <br />3. The silica sludge landfill, in which the silica <br />sludge from Colorado Lien is placed in a worked-out <br />section of the A-band quarry, will be placed under a <br />single agency, rather than be under an overlap oi_ <br />three agency jurisdictions, the Mined Land <br />Reclamation Board, the Colorado State Health <br />Department, and the Colorado State Engineers offce. <br />All agencies, with the exception of the Colorado <br />State Health Department which has not replied, helve <br />indicated in favor of the consolidation. <br />The amendment does not make any substantive changes in thf: <br />mining operation. It does make for more efficient <br />administration of the permit by the Mined Land Reclamation <br />Board, and it allows reclamation of some pre-law lands which <br />could not be reclaimed under the original permit. <br />If you have any questions or comments, please feel free to <br />call me. <br />Very trufly yo rs, <br />Paul E. Thomsen, P.E. <br />Plant Engineer <br />HOLNAM INC <br />P.O. Box 2227 <br />Fort Collins, CO 80522 <br />. (303)482-9065 <br />1 <br />