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• ROBINSON <br />BRICK ~ <br />COMPANY ~ <br />~~~ <br />~~ <br />May 22, 2000 <br />Tony Waldron <br />Division of Minerals and Geology <br />Department of Natural Resources <br />State of Colorado <br />1313 Sherman Street, Room 215 <br />Denver. Colorado 80203-2373 <br />RE: Mine IDk M-84-076 (DDD Mine) <br />Technical Revision (Weed Control plan) <br />Dear Mr. Waldron: <br />• iiiiiiiiiiiiiiiiiii <br />RECEIVED <br />MAY 2 ~ 20~t1 <br />division of Minev'~~~eofogy <br />Anached is Robinson Brick Company's Technical Revision (TR) for control of diffuse Knapweed at the <br />DDD Mine. A check for $ I50 to cover the TR fee was sent to the Division under separate cover. <br />I apologize for [he delay in submittal. <br />Please let me know if anything further is required in regard to this matter at this time. <br />Sincerely, <br />Mark S. Chalmers P.E. <br />Mining Manager <br />1895 West Dartmouth Avenue Denver, Colorado 80110-1308 <br />Sales (303) 7fl3-3000 Toll Free (800) 977-9002 Fax (303) 781-1H18 <br />Web-site: www. robinsonbrick.com <br />