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iii nniiiiniii iii <br />STATE OF COLORADO <br />DIVISION OF MINERALS AND GEOLOGY <br />Ilcparlnu•nl rrl N.tlui,il Rr.nun r. <br />1 41 I Shrrmdn til F.r~uu .' I <br />Dcnvrr, CulnraJr~ hn 'ri. <br />Phunc: 1 111 41 Bob-'. -, i,' <br />FA\. (lll {I it 41~+1I nr• <br />November 8, 1996 <br />Mr. Michael G. Altavilla <br />Seneca Coal Company <br />P.O. Drawer D <br />Hayden, CO 81639 <br />RE: Yoast Mine (C-94-082) <br />1995 Annual Hydrology Report <br />Dear Mr. Altavilla, <br />I~~~~~ <br />DEPARTMENT OF <br />NATURAL <br />RESOURCES <br />uor Son,er <br />covcrnor <br />I,rmr~ 1 Luchhead <br />E ~enufve D~reanr <br />nLrhacl li Lnnp <br />Divrvinn Director <br />The Division of Minerals and Geology received the Annual Reclamation Report and Annual <br />Hydrology Report submitted by Seneca Coal Company for the Yoast Mine. <br />Since mining activity at the site was limited to haul road construction, and the pit areas had <br />not yet been developed, there were no mining related impacts to surface or ground water. <br />The data proved will supplement baseline data and be useful for determining whether the <br />mine impacts water resources in the future. <br />A review of the data provided indicates the information is consistent with baseline data, and <br />there were no apparent sampling or laboratory errors. <br />If you have any questions, please do not hesitate to call. <br />Sincerely, <br />~` lam. <br />~~~ <br />Erica S. Crosby <br />Environmental Protection Specialist <br />c: \wp51 \yoas t\961108 <br />