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6. ANALYSIS OF POSTMINiING TOPOGRAPHY PROJECTIONS <br />Requirement <br />The analysis of the postmining topography will serve to verify the accuracy of the postmining <br />topography projections. Monitoring for this purpose will remain the same as in the past, utilizing <br />accepted aerophotogrammetric methods. <br />Response <br />Exhibit 9 - 2000 Annual Report Map, shows the mine configuration and reclamation progress as of <br />the October 2, 2000 aerial flight. <br />Three cross section (1-1', 2-2' and 3-3') aze submitted which compare the actual versus the predicted <br />postmining topography, as well as the premine topography and original box cuUF or X seam <br />contour line. These cross sections aze submitted as Exhibit 10. These cross sections indicate that <br />the difference between the actual versus predicted postmining topography is very slight and well <br />within acceptable mining practice. <br /> <br />• <br />l2 <br />