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EXHIBIT D - MINING PLAN <br />Hall-Irwin Corporation will continue to use the mining method described in the original Baseline permit <br />application. The only changes to the mining plan are as follows: <br />1. Annual production: The application estimated production could be up to 550,000 tons per year. We <br />now anticipate that annual production could be as high as 900,000 tons per year. <br />2. Mining slope: Phase 4 will be mined at a 3:1 slope. <br />AMENDMENT TO BASELINE PERMIT # M-1997-058