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III IIIIIIIIIIIII III <br />999 <br />STATE OF COLORADO <br />DIVISION OF MINERALS AND GEOLOGY <br />Department of Natural Rewurces <br />1313 Sherman SL, Room 215 J+y~~~ <br />Denver, Colorario 80203 III <br />Phone: (3031 866-3567 <br />FAX: 13031 83b8106 <br />DEPARTMENT OF <br />NATURAL <br />RESOURCES <br />Roy Romer <br />Governor <br />DATE: April 23, 1998 ian,es s. Locnneaa <br />Erec uuve Director <br />n1¢hael B. LunH <br />TO: Jim Burnell Division Dneanr <br />l <br />FROM: Erica Crosby <br />RE: Seneca II-W Mine (C-82-057) <br />1997 Annual Hydrology Report (AHR) <br />Jim, attached is the Seneca II-W Mine AHR for 1997. I provided you with an information fact <br />sheet that gives you a summary of the monitoring requirements and locations, NPDES locations <br />and a summary of the potential hydrologic impacts identified in the PHC. I have also provided <br />some general comments regarding changes made to the monitoring plan in 1997, exceedances <br />noted and observations. If needed, the AHR file containing previous reviews are located in my <br />office. <br />All monitoring has been conducted in accordance with the approved plan. <br />Thank you in advance for your assistance. <br />cc: Larry Routten <br />c:\esc\seneca2w\980423 <br />