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N Y <br />III IIIIIIIII'111111 <br />999 <br />Greg Lewicki And Associates <br />1645 Court Plate, Suite 309 Phone/Faa: (303) 629-9335 <br />Denver, CO LISA 50202 E-Mail: lewitki@envisionet.net <br />January 18, 1996 <br />Janet Binns <br />Colorado Divsion of Minerals and Geology <br />1313 Sherman Street 2nd Floor <br />Denver, Colorado 80203 <br />Dear Janet: <br />Q1-rFl1~~r~ <br />JAN 2 2 1.4.4E <br />Division of Mmerais ~ ,._ _ ~ ._; <br />Re: Crest Gage Installation - Rimrock Coal Company <br />I have enclosed information regarding the crest gage, which was installed on January 17, 1996. I met <br />with Mike Ferraro on site regarding measurement procedures, maintenance and water sampling. He <br />iswell-versed on what is needed. If you notice any problems with the gage, he can be contacted <br />directly at (719) - 846-2176. <br />The gage cross-section and stream grade were surveyed with a theodolite and rod. The location <br />chosen was one of the only non-rocky straight sections within the fenced area. The data will be used <br />with the height measwements to determine peak flows. A full suite surface water analysis will also <br />be made of the flow sometime in the spring. Please call if there are any questions. Thanks. <br />Sincerely, <br />/~7~.e~" ~G~i~C <br />Greg Lewicki, P. E. <br />Greg Lewicki and Associates <br />