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EXHIBIT D (Cont'd) <br />The pit will be operated year-round by lessees of the Sievers <br />Ranch & Development Company as an aggregate supply for himself and <br />for others. As operations begin on each stage, the soils will be <br />removed and stored for future use in seedbed preparation. The <br />1 acceptable soil varies from 12 to 48 inches with the average being <br />approximately 15 to 18 inches. There are places where there is no <br />soil and a few others where there is as much as 3 to 4 feet; <br />however, both of these are exceptions rather than the norm. For <br />details on soils please refer to Exhibit I/J. Soils lay directly <br />1 on the sand and gravel to be mined, there being no other over- <br />burden. The soils removed from the mining area will be stored on <br />lands that are part of present or future mining stages. Storage <br />areas will vary depending on location of each mining stage. A <br />cover, such as western wheatgrass, will be planted where necessary) <br />to preserve the soil stockpile. <br />The sand and gravel below the soil on the affected land appears <br />' to be in excess of 70 feet thick. Three attempts to drill test <br />holes encountered very dense gravels and cobble at depths ranging <br />' from 10.5 to 14.5 feet. These materials were of such a nature that <br />' further drilling became quite difficult. Diamond bits probably <br />would have penetrated the section, but this was not economically <br />' feasible. See report by CTL/Thompson, Inc. in the appendix. <br />Inspection of the section along the river indicates a sand and <br />' gravel section in excess of 70 feet at that location. Knowledge <br />' of the grac-els in the Roaring Fork Valley leads us to believe that <br />- $ - <br />