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Introduction <br />The existing geologic and hydrologic conditions were integrated into a conceptual <br />hydrogeological model and a numerical computer model, as described in Section 6, to <br />evaluate hydrological conditions related to mine dewatering and slope depressurization. <br />Section 7 discusses mine water management including dewatering of the mine, a plan <br />for dissipation of residual pore pressure, and an evaluation of the future water balance. <br />Considerations related to permitting and the feasibility study for the proposed Collom <br />Mine are summarized in Section 8. <br />References cited in the report are presented in Section 9. <br />The draft of this report prepared in May 2005 was based on the original mine plan <br />(Option 1) discussed in Section 1.2. For this final report, we have incorporated a <br />preliminary evaluation of the dewatering /depressurization issue associated with the <br />alternative mine plan (Option 2) in Section 7. This baseline data and hydrologic <br />evaluations described in this report apply to either mining option. <br />2572 -R2 Colowyo Coal Company <br />Water Management Consultants <br />