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9~ <br />June 1, 1999 <br />To: Larry Routten <br />From: Dan Mathews <br />Re: Roadside TR-29 (C-Seam Mine Plan Adequacy Responses) <br />Larry, attached aze the referenced adequacy responses. I need to have Jim Burnell look at the <br />coal and floor analyses and hydro info (response items 2 and 3), and Jim Pendleton look at <br />subsidence info (response items 4 and 5). As you know, this is a high priority issue, and I need <br />review comments ASAP. I need Burnell's input regarding the coal channel sample analysis, with <br />respect to the high organic sulfur value and related high negative acid base potential. Does this <br />indicate a potentially serious problem with respect to acid forming potential in refuse material or <br />abandoned workings (i.e. acid drainage)? <br />