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n <br />Colowyo Coal Company, L.P. <br />5731 Stale Highway 13 <br />Meeker, Colorado 81641 <br />(970) 824-1531 <br />(970) 824-1598 FAX <br />Kimberley A. Wolf <br />Environmental Engineer <br />February 6, 2002 <br />~E~EIVED <br />~~ 1 y 202 <br />pivismn ~~ ^~"'°''~s °no Geolo9Y <br />Mr. Byron Walker <br />Colorado Division of Minerals and Geology <br />1313 Sherman Street <br />Denver, CO. 80203 <br />• / Kennecott <br />® Ener <br />gY <br />ir0i~0 C04rf C011tptT1~ L~~. ~ a ~, <br />l9 <br />RE: COLOWYO COAL COMPANY L.P. (COLOWYO), C-81-0 , <br />REQUEST FOR TECHNICAL REVISIONS6, VOLUME ,MAP 19 <br />Colowyo coal respectfully requests approval for the enclosed TR-56, post mining topography Map <br />19. Based on approval of the PMT contours, Colowyo will proceed with the hydrology, <br />sedimentology, and hazard classification of impoundments on the mine site. <br />Upon notification from the Division that the proposed revision is complete, Colowyo will place a <br />public notice in the Craig Daily Press for one day, pursuant to Rule 2.084(6)(b)(i). <br />Please feel free to contact me at (970) 824-1531 with any questions or concerns you may have <br />regarding TR-56. <br />Respectfully, <br />~~~~' ~'~ <br />Kimberley A. Wolf <br />\kaw <br />CF 4.1.2 <br />