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iii iiiiiiiiuiu iii <br />999 <br />STATE OF COLORADO <br />DIVISION OF MINERALS AND GEOLOGY <br />Depanmenl of Natural Resources <br />1313 Sherman $t., Room 215 <br /> <br />Denver, Colorado 80203 II~ <br />Phone: 13031 866-3567 <br />FA%: 1303) 832-8106 <br /> DEPARTMENT Of <br />October 13, 1994 NATURAL <br /> RESOURCE <br />To: Jim Pendleton <br /> Roy Romer <br /> Governor <br />~~~(((111---~~~ <br />From: Janet BinILS lames 5. Lochhead <br />~ Executive Director <br /> Michael 8. Long <br /> Drvrsion Director <br />Re: Colowyo West Pit Fill Underdrain Construction Report and Certification and <br />Modification <br />Jim, <br />The Division has received Colowyo's quarterly construction report for the West Pit Fill <br />construction. Colowyo is also modifying the underdrain with an additional branch drain to <br />drain a slide area they identified near the toe of the fill area. I was on site on September <br />28, 1994 and took slides as well (not back from developing yet). <br />Please take a look at the submitted report and let me know if the construction appears <br />appropriate. Is there any other information the operator need to supply regarding this slide <br />area and/or the addition of the drainage branch? Photo #37 shows the dozer clearing away <br />clayey damp material where the slide area is. I confirm from my vantage point on <br />September 28, 1994 that the slide was just above the 'Toe Drain Rock Filter" (Photo #33). <br />This was the only copy we received so please return materials to me along with your <br />comments. If you need to have me explain further what I saw on September 28, 1994 please <br />call me. Thanks for your help on this. <br />Enclosures <br />cc: Larry Routten <br />