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~~ ~. ~II II~~I~~I~~~~~ ~I~ Colorado Yampa Coal Company COLORADO YAMPA 29515 Routt County Road #27 ~ COAL COMPANY Oak Creek, Colorado 80467 A Cyprus Amax Company (970) 879-3800 January 28.1998 RECEIVED Janet Binns L-nviromnental Protection Specialist FEB 02 1998 Division of Minerals and Geology 1 ; I ~ Sherman Street, Room 215 Division of Minerals&Geology Denver, Colorado 80203 RE: PERMIT C-84-062; 1997 ANNUAL HYDROLOGIC REPORT Dear Ms. Binns: As per our conversation during your last inspection visit, I am herein requesting an extension of the due date for the above referenced report. Fur several years our Annual Hydrologic Reports has been compiled, with considerable difficulty, from an ORACLE database maintained on a stand alone computer. In mid 1997 Twentymile began upgrading our computer network, including installation of the most recent version of ORACLE, along with several ORACLE productivity applications. 1 believe that this will, ultimately, bring greater utility and efficiency to the hydrolgic database we continue to build. The compilation of Annual Hydrologic Reports has typically required the, sometimes difficult, transfer of information from the old ORACLE database into a spreadsheet application and then a graphing application. With the new ORACLE productivity applications all of these factions can be accomplished from within the UIt,9CLE interface. This transition has, unfortunately, not been without adversity. Our consultant encountered many difficulties transferring our old data into the new system. Though very nearly completed, the transfer of files to the new system is still in progress. These diti~iculties have, However, allowed us to identify many duplicate records, consolidate records for sites that have been identified by multiple names, and to correlate analysis parameters that had multiple descriptions. To tiirther complicate our schedule here, we have experienced a 75% turnover of the personnel in our Environmental Department within the last six months. Becoming familiar with departmental records, learning the new ORACLE applications, and assuming additional duties as departmental positions are being filled has, indeed, limited my productivity since transferring into this department. It is my desire to build and maintain the most comprehensive and useful hydrologic database possible, and to efficiently compile a complete and tactual report in a highly