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6. ANALYSIS OF POSTMINING TOPOGRAPHY PROJECTIONS <br />• Re4uirement <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 />The 1997 Annual Report Map. Exhibit 10, shows the mine configuration and reclamation progress <br />as of the September 28, 1997 aerial flight. <br />Three cross section (I-!', 2-2' and 3-3') are submitted which compare the actual versus the predicted <br />postmining topography, as well as the pre-mine topography and original box cudF or X seam contour <br />line. These cross sections are submitted as ib~t ll. These cross sections indicate that the <br />difference between the actual versus predicted postmining topography is very slight and well within <br />acceptable mining practice. <br />• <br />• 14 <br />