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-29- <br />• wrote my first report on mine drainage back on the East Coast in 1974. I have <br />worked, on and off, not consistently, but on and off, associated with the <br />implications of mine drainage of water quality when I was with the U. S. <br />Geological Survey for six and one half years and of the waters coming down <br />from West Yirginia and Pennsylvania in heavily mined primarily coal mined area <br />in the Shenandoah River and the Potomac River and the Potomac River Basin. My <br />courses include -- about 1/5 of np~ water quality courses include treatment of <br />acid mine drainage, as I mentioned I teach the geomicrobiology oaf metals and <br />sulfites in the geochemistry courses taught at Colorado School of Mines. <br />MR. N. COHEN: What's your academic background? <br />MR. R. COHEN: I have a Bachelors Degree in Biophysics from Temple <br />University in Philadelphia, I have a Ph.D. from University of Yirginia, <br />Department of Environmental Sciences. <br />• MR. HOLDER: And your revegetation background and expertise? <br />MR. R. COHEN: I have never gone out myself and planted on revegetation. <br />I would say that my revegetation background is mostly from the meetings I've <br />attended, the literature I've read, the books I've read on revegetation. So <br />that is not a hands-on experience. <br />MS. WINTER: Have you ever seen any of the revegetation sites that have <br />won awards from the Board? <br />MR. R. COHEN: In fact, I've shown slides of the Rangely area in my <br />classes. I don't know if that's one of the award winning ones. But I <br />actually show some successful revegetation, mostly from the results of oil <br />exploration drilling and reclamation of the areas after that. But, I've seen <br />the fabulously reclaimed regions that have been done properly. <br /> MS. WINTER: But, you' re not very familiar with the recent things that <br />• have been done by companies winning Mined Land Awards. Is that Fair to say? <br />