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4 ~ • • III IIIIIIIIIIIII III <br />~ _ _ <br />~ ~ <br />7wttleApplegate,inc. <br />Consultants for Land, Mineral and Water <br />i <br />Mazen 2, zooo <br />Christina L. Kamnikar <br />Division of Minerals and Geology <br />1313 Sherman St., Room 215 <br />Denver, CO 80203 <br />n~GE~v~O <br />MAR 13 2~&~~ow9~ <br />OWNS`°n ot~~~~ <br />RE: Third Technical Adequacy Review Response, Riverview Resources #M-99-098 <br />Dear Christina: <br />The following information is being presented to you in response to your letter dated Mazch 2, <br />2000, for the above described permit. <br />The answers are numbered in accordance with your letter: <br />3a. A Technical Revision will be submitted for the mining cell spillways. <br />3b. .The replacement or supplemental pazallel drain file for the existing Tile Drain #1 will be <br />constructed prior to liner installation in Cell 4. Tile Drain #2 and Tile Drain #3 will not <br />be disturbed nor affected by the mining operation. Through the agreement with the <br />neighboring subdivision, the northem portion of Cell 2 will no longer be mined and <br />therefore Tile Drain #4 and Tile Drain #5 will not be disturbed. The extension of Tile <br />Drain #5 along the eastern and northem boundaries of the Orr Minor Subdivision will be <br />constructed even though the northern portion of Cell 2 has been removed. This extension <br />of Tile Drain #5 will be constructed prior to lining of Cell 2. Tile Drains #6, #7, #8 will <br />not be disturbed nor affected by mining. <br />The replacement or supplemental pazallel drain file for the existing Tile Drain #9 will be <br />constructed prior to liner installation in Ce114. The new drain file that will be installed in <br />the northwest portion of the property and will pazallel the relocated Helps Seep Ditch will <br />be constructed at the same time as the relocation of the Helps Seep Ditch. (The timing of <br />the relocation of the Helps Seep Ditch is discussed in the following pazagraph) The <br />construction of the new drain tiles or replacement of existing tiles will occur prior to <br />lining of any of the cells in any one particular area. <br />The replacement or supplemental drain tiles will each take approximately one week to <br />construct and will be completely constructed prior to the completion of the lining of that <br />11990 Grant St. • Suite 304 • Denver, CO 80233 5441 Boeing Drive. • Suite 200 • Loveland, CO 80536-8855 <br />(303) 452-6611 • Fax (303) 452-2759 (970) 461-9884 • Fax (970) 613-1177 <br />