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s <br />COLORADO <br />HISTORICAL <br />SOCIETY <br />The Colorado History Museum 1300 Braadvtay Denver, Colorado 80203-2137 <br />i~ECEIVEG <br />March 25, 1999 <br />evron G . walker BAR 31 1999 <br />Ervi ronmental Protection Specialist IvisienolMinerals&Geoa9Y <br />Division of Minerals & Geology ~ <br />1313 Sherman Street, Rm. 215 <br />Denver, Colorado 80203 <br />Re: Colowyo Coal Mine (Permit No. C-81'-019) <br />Technical Revision Application No.47 (TR-47) <br />Reduction in the Frequency of monitoring Revegetated <br />Areas <br />Dear Mr. Walker: <br />This is to acknowledge receipt of your March 22, 1999 <br />correspondence concerning the above proposed project. <br />Since this permit is concerned with monitoring revegetated areas <br />at an existing coal mine and will involve no disturbance to new <br />surface lands, we find that there will be no effect to cultural <br />resources. <br />If archaeological resources are discovered during project <br />activities, work must be interrupted until the resources have been <br />evaluated in terms of the National Register of Historic Places <br />elicibility criteria (36 CFR 60.4) in consultation with our <br />office. <br />Thank you for the opportunity to comment. If we may be of further <br />assistance, please contact Sim Gr_en at (303) B6o"-467?. <br />Sincerely, <br />• ~ <br />Georgiar~ 3 Coatiguclia <br />State Eistoric Preser*ration Off'_cer' <br />GC/WSG <br />