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39 <br />1 just a.general background question not for Cheryl <br />2 but for David. For the cone of depression -- and I <br />3 feel so lacking in basic knowledge to even phrase <br />4 the question appropriately. But so when -- the cone <br />5 of depression essentially exists when the mine is <br />6 dewatered, and so what's actually depressed? I <br />7 mean, the water -- <br />8 MR. BIRD: The water table. <br />9 MS. ALLISON: Okay. There we go. <br />10 Thanks. So as it lifts, the water table comes up. <br />11 MR. BIRD: Right. <br />12 MS. KRAEGER-ROVEY: I have a <br />13 question, and -- maybe as we proceed, but I think <br />14 your desire was to have the cone of depression go <br />15 500 feet below the Steve Level. Is that necessary? <br />16 And one thing that I've -- just from <br />17 reading what Cotter-has written down is that it <br />18 would be dangerous and difficult and expensive. <br />19 Would it help at least partly just to dewater to the <br />20 point that it reverses the gradient from the stream <br />21 back into the mine? And that wouldn't require 500 <br />22 feet. It would just need to, like I said, reverse <br />23 the gradient. <br />24 MR. BIRD: Yeah. We had considerable <br />25 discussion about that. You know, the 500 is