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• • <br />EXHIBIT B <br />Mining Plan <br />The current operator of this clay mine began his operation in <br />1967. The area mined since 1976 is indicated on the mining plan map. <br />Production quantities for the years 1973-1976 were used to determine <br />area projection required for the mining plan. They are as follows: <br />1973 - 13,222 Tons <br />1974 - 18,821 Tons <br />1975 - 8,184 Tons <br />1976 - 11,634 Tons <br />The operator has indicated a projected recovery rate of approximately <br />12,200 Tons per year. The average overburden is 58~' comprised primarily <br />of 4 feet of topsoil underlain by 10 feet of sandstone and 10 feet of <br />clay. Maximum pit depths are in the 25 foot range and typically are less <br />than 20 feet. Using a 20 foot average depth and a 58°6 overburden value, <br />it is projected that one to two and one-half surface acres per year will <br />be disturbed. <br />Less than one-half acre of additional land is occupied by haul roads <br />and stock outs. <br />The mining plan will consist of topsoil removal by dozers and the <br />I stockpiling of the topsoil. Some blasting may be required to break up the <br />I sandstone cap prior to its removal. It is anticipated that the stock out area <br />for topsoil can be established in previously mined areas. The clay will <br />' be excavated to an approximate maximum depth of 25 feet by front end <br />loader which places the material in dump trucks for delivery to a pro- <br />' cessin9 site operated in Pueblo by Summit Brick Co. Ne water usage <br />' is anticipated at the mine site and no surface or ground water is <br />retained except for short periods after heavy rains. Mining operations at <br />' this pit are intermittant and occur not more than 90 days of the year and <br />only as this clay type is needed by the brick factory in their operations. <br />1 <br />