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~e ~-~„ afi ~ ie , c ~ ~Kpe oLJe~f~~•-~ Division of Minerals and Geology 1313 Sherman Street, Room 215 Denver, CO 80203 RECEIVED / JUL 2 1 2003/ July 17, 2003 Division •f Minerals and Geology RE: Proposed Haldorson Sand and Gravel Mine, File No. M-2003-037 To Whom It May Concern: We aze writing to you to request that your evaluation of the proposed Haldorson mine address certain issues that concern us; issues of water rights, ground water contamination, health issues, mine operation requirements and reclamation plan. We respectfully request that the Division of Minerals and Geology (DMG) require Haldorson and Sons, Inc. to have a thorough ground water assessment done by an independent agency recognized by you as qualified to do hydrologic investigation. We ask that you require baseline data to be established prior to breaking ground. We ask that you require that the number and depth of monitoring wells, the frequency and duration of data collection, and other criteria that you require be such as to provide a high level of assurance that the data is representative and reliable. We further request that you require the resulting data to be available for public scrutiny before a decision is made or a mining permit is issued. In addition, we request that you require Haldorson and Sons, Inc., to present a plan that clearly prevents contamination of ground water and surface water from any source, and make that plan available for public review before a decision is made regarding the application. We also request that the DMG require Haldorson and Sons, Inc., to provide evidence that the proposed project will not alter or impact the historic operation of existing water rights such as irrigation rights or the ten (10) decreed springs that exist directly east and downstream of the deepest part of the proposed pit, and that this evidence be available for public review before a mining permit is issued. If the applicant cannot prove there is no ground water throughout the year, as the appplication claims, then require the applicant to submit complete and detailed plans to mine the property without altering or impacting historic operation of existing water rights and allow pubhe comment on those plans before a mining permit is issued. The proposed mine site is located in an area that is rapidly being transformed from agricultural to residential. There are presently three schools, two churches and more than six hundred residents within one mile of the site. There aze more than two hundred children living in a mobile home park less than one mile downwind from the proposed site. Serious health hazards may result from dust, particulate matter and fumes from the mining operation, and from the onsite asphalt Page 1 of 2 Pages