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iii iiiiiiiiniii iii 999 ~~ Banks and Gesso, LLC ~~ R[~~~~~9'~~ ~~~ 2 i~ 2~~1 November 28, 2001 Ms. Erica Crosby Division of Minerals and Geology 1313 Sherman Street, Room 215 Denver. Colorado 80203 Division of Minerals and Geology 720 Kipling St.,Suite117 Lakewood, Colorado 80215 (303)274-4277 Fax (303)274-8329 www. banksandgesso.com Subject: 124'" Estates Sand and Gravel Mine 112 New Permit Application -Adequacy Review Follow Up, File No. M-2001-085 Dear Erica, On November 26, by telephone, you asked for some clarification of three subjects, which were discussed in the Applicant's earlier responses to the Division's Adequacy Review. 1. Depth of the well permitted to Daryl Billings. According to records of the Division of Water Resources, this well (Permit No. 140670) was proposed for a depth of 180 feet. Based on the inquiry of a neighboring mining operation, the Applicant believes that the completed depth of this well is close to 600 feet. (The Applicant asks the Division what documentation of this depth is needed and appropriate.) 2. Payment of Water Bills. As part of a mitigation plan, the Applicant will pay the water bills (from the South Adams County Water and Sanitation District) of any shallow well user along 124'h Avenue, north of the site, if the capacity of his/her shallow well is adversely impacted by mining activity. The Applicant understands that such wells are now used for lawns and other non- domestic purposes, and that the users also receive water from the District for domestic purposes. The Applicant's intent is to pay the users' entire water bill from the District until reclamation steps are completed. The Applicant expects that water use would be reasonable -for typical, on-site use, and would not pay a bill, if water was used off-site and/or for purposes not typical for that user. 3. Mitigation Agreement with the Henderson Water Ski Club. The Applicant expects to finalize a formal agreement with the Henderson Water Ski Club, outlining mitigative steps to be implemented, if mining and/or reclamation activity causes the surface elevation of the ski lake to decrease. This agreement will be submitted to the DMG; or if it is not finalized before the permitting process has been completed, it will be submitted to the DMG in the form of a Technical Revision to the permit. If you have questions, please call me or Les Ewegen at 303-667-1666. Thanks again for your attention to this project. Very T ly Yours, Scott Keen Cc: Les Ewegen File - 1029