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999 <br /> Associates, Inc. <br /> March 5, 2001 <br /> rwate , resource consultants <br /> 841 Front Street <br /> Louisville.Colorado 80027-1849 <br /> Phone(303)673-9795 FAX(303)673-9796 <br /> E mail: loveossociates®tesser.com <br /> Mr. Carl Mount RECEIVED <br /> Division of Minerals and Geology <br /> Department of Natural Resources MAR 0 8 2001 <br /> State of Colorado <br /> 1313 Sherman Street, Room 215 Division of Minerals and Geology <br /> Denver, CO 80203 <br /> REF: 9925B - DEEPE FARM PIT, PERMIT NO. M-1981-302 AND <br /> TURNPIKE PIT, PERMIT NO. M-1978-064 <br /> REQUEST FOR REVIEW OF DRAINAGE IMPROVEMENT PLANS <br /> Dear Carl: <br /> Per our earlier conversations, enclosed please find one set of construction plans for <br /> drainage improvements at the above named mining reclamation permit properties. As <br /> you are aware, these two mining permits have been transferred into the ownership of the <br /> University of Colorado. The University wishes to improve site drainage and minimize <br /> the amount of water which is ponding and being exposed to evaporation. Some of the <br /> vegefetion will be cleaned up that has grown up as a result of the poor drainage in in <br /> certain portions of these properties as a result of the mining activities over the past <br /> several years. <br /> Please review the attached plans, profiles and details and respond back to me in writing <br /> as soon as possible as to whether or not the work being proposed would be considered <br /> maintenance of the site or would require a Technical Revision. We will not proceed with <br /> any work until such time as we receive your written approval of this work. <br /> We have broken down the work product into three separate segments of work due to <br /> potential cost constraints. Following is a brief description of the work that is being <br /> proposed: <br /> DRAINAGE AREA `A': Work consists of clearing and grubbing of the Shaded Area <br /> (See Legend) as shown on Sheet 3 and installation of a pipe system for better drainage of <br /> the site. There will be no appreciable change in grades from the approved reclamation <br /> plans. We also propose clearing and grubbing of existing irrigation Ditch (South Boulder <br /> and Bear Ditch) and adding a Bentonite Liner to the irrigation ditch to minimize water <br />