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57 <br />• <br />1 <br />2 <br />3 <br />4 <br />with water? I mean, a one-year dry pit or a two-year <br />dry pit, or how long do we wait to see whether the <br />pit filled in with water before we decide that <br />it's -- <br />5 <br />6 <br />7 <br />8 <br />9 <br />10 <br />11 <br />12 <br />• 13 <br />14 <br />15 <br />16 <br />17 <br />18 <br />19 <br />20 <br />21 <br />22 <br />23 <br />. 24 <br />25 <br />All I'm suggesting is that if ten <br />years after mining it starts filling with water and <br />the water is 50 feet deep, the backfilling job would <br />be very expensive, and if at that point we released <br />the bond, we've got a problem. <br />So I guess the question is how long <br />do you anticipate us needing to wait before we're <br />really sure that that grout curtain is going to be <br />a long-term solution? <br />MR. RENNER: I think the grout curtain <br />would not -- the grout curtain will inhibit flows <br />more from the Rito Seco and so we're not real worried <br />about that. We think that the expected flow will be <br />pretty well mitigated. <br />The flows that we are mostly worried <br />about is this confined system which occurs within the <br />ore zone itself so it's a deeper system. <br />The alluvial system -- and you can <br />kind of define it as far as drawing wells, conducting <br />aquifer tests and such like that -- that's why we <br />know -- that's why we think we're going to have <br />