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October 20, 1992 <br />Ms. Loraine Stepenske <br />Division of Minerals and Geology <br />131:3 Sherman Street, Room 215 <br />Denver, CO 80203 <br />RE: Adequacy Response, M-92-069 <br />Dear Loraine: <br />n u un ^n <br />sss <br />DIVISIU~~, Ur <br />MINERALS A rFQ, _,r_;., <br />After our telephone conversation of October 19, 1992, I would lik <br />to complete our adequacy responses. I will use the same numberin <br />system we have used previously and that was contained in you <br />October 7, 1992, letter. <br />1. With this letter you will find enclosed a copy of an aeria <br />photograph were I have better delineated the Larson #7 and th <br />Rodman #6 property in relation to the permit area. <br />2. With this letter you will find a copy of the compensation <br />agreement with the Elliott landowners to the west. <br />We also wish to reserve the option to include the Rodman <br />structures in the engineering soil stability analysis and mine <br />at 25 feet from the property if the results show no adverse <br />effects on the stability of structures. <br />3(b) We will stake in the field metal T stakes, the limit of <br />disturbance from the pipelines, railroad, and the overhead <br />utility lines at the 200 foot limit prior to the review of our <br />engineering soils stability analysis. <br />6(b) In order to maintain hydrologic balance and quality of the <br />groundwater, the operator will install an eight to twelve inch <br />layer of compacted road base material underlying the entire <br />asphalt batch plant area. <br />8(b) The groundwater level temperature, and conductivity of each <br />~( monitoring well and the two private wells (if owner permission <br />/ 1 is obtained) will be monitored quarterly and submitted with <br />each annual report. Baseline data monitoring will begin as <br />soon as possible prior to commence of mining and continue <br />concurrent with mining. If no significant differences occur <br />between the baseline data and the mining monitoring data for <br />a period of two years, the monitoring for temperature and <br />conductivity may be suspended based on review by Division <br />staff. <br />1199() Grant Street, #410 Telephone: (303) 452-6611 <br />Denver, Colorado 80233 Facsimile: (303) 452-2759 <br />POSTAL <br /> <br />--,--' <br />