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J. J. Dudash -2- February 2, 2008 <br />Permit and Affected Area <br />The affected area will increase 167 acres. The permit boundary will increase by 560 acres. The <br />disturbed does not change. The change in affected area is the increase over that proposed in <br />PR-10. <br />Cultural Resources <br />A cultural resource survey will need to be performed on the lease modification area. <br />Soils <br />Not applicable, no surface disturbance. <br />Vegetation <br />Not applicable, no surface disturbance. <br />Hydrologic Monitoring <br />As can be seen on Map 9, the upstream Hubbard Creek monitoring point is above the proposed <br />lease modification. <br />Bond <br />No increase, no surface disturbance or new structures. <br />The following data are provided to support this permit revision application. <br />3 <br />Volume I Page 2.0?-15, Section 2.05.6(6) Subsidence <br />Volume II Maps 9, 14B, 27, 27A <br />Volume IIIA TOC <br />Tab 17 Report - Predicting of Surface Deformation Resulting from Longwall <br />Mining in the Dove Gulch Area For New Layout December 2007 <br />Incorporated by Reference (PR-10 Documents): <br />Volume IIIA New volume with new exhibits 16 through 22 <br />4th Quarter 2006 Microseismic Monitoring Report <br />1st Quarter 2007 Microseismic Monitoring Report <br />2nd Quarter 2007 Microseismic Monitoring Report <br />Please call if you have any questions. <br />Sincerely, <br />IJAbover, P.E. <br />Consulting Engineer <br />cc: Wm. A. Bear, Jr.