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-5- <br />5. A geologic map should show the location and extent of coal out crop and <br />sub crop lines and the strike and dip of the coal to be mined. <br />6. Exhibit 7-G states that slug-injection tests performed on hole b1-1 were <br />"inconclusive", and that another test v~ill be performed when the hole recovers. <br />Has the additional testing been done? This information must be submitted. <br />7. Please locate v~here the roof and floor samples were taken on the geologic <br />map. lJere the samples from drill holes ar from the developed mine? <br />8. The Division requires a specific description of the coal, interburden and <br />roof and floor of each coal seam to be mined. This should include lithology, <br />and any variation throughout the mine, fracturing, depths, locations, thickness, <br />stringers, cleating, and fracturing. <br />9. The application must include a chemical analvsis of all coal seams to be <br />mined as required under section 2.04.6(2)(a)(iii)(c). This information may <br />be kept confidential if you so request. The required parameters are attached <br />to this letter labelled, appendix 2. <br />10. A map must be provided that indicates the number and location of all drill <br />holes used to construct structural contour maps, isooach maps, and cross sections. <br />A narrative on the method used to close and revegetate all existing drill holes <br />must be provided with diagrams as needed. <br />11. A structural contour map of one coal seam or adjacent strata must be provided. <br />The contour map should include the entire area to be mined. <br />12. Isopach maps of all coal seams to be mined must also be provided as required <br />under section 2.04.6(2)(a)(i). This information is also needed to assess coal <br />resource recovery. <br />13. Lithologic logs of drill holes used to construct geologic cross sections <br />must be provided. <br />14. The Chemical analysis of the roof and floor has some inconsistancies in the <br />data. Sample 1486 - P1ine No. 3-floor has a very low percent pyritic sulfer <br />but the pH was very low. Sample 1485 - 14ine No. 3-roof has a high percent pyritic <br />sulfer but normal pH. Is it possible that the analyses of 1485 and 1486 v~ere <br />interchanged? The metal concentrations tend to support this problem. Please <br />explain this discrepancy. If samples are available they could be reanalysed <br />for % pyritic sulfer or pH to clear up this discrepancy. <br />Hydrology Description - Ground 4later <br />Section 2.04.7(1) - page 39-44 <br />1. The location, thickness, and lithology of all aquifers should be discussed <br />and located on geologic cross sections. <br />2. Figure 3.5.1-1 identifies two aquifers above the upper sunshine seam. It is <br />unclear as to which aquifer was sampled for ground water quality analysis. <br />Please clarify this matter. (A properly drawn cross section should enable us <br />to easily determine this). The two aquifers above the sunshine seam must be <br />indicated on the cross-sections. <br />