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s <br />• • <br />STATE OF III IIIIIIIIIIIII III <br />COLORADO <br />DIVISION OF MINERALS AND GEOLOGY <br />Department of Natural Resources <br />1313 Sherman St., Room 215 <br /> <br />Denver, Colorado 80203 Ili~~ <br /> <br />Phone. (303) 866-3567 I <br />FA% 13031832-8106 <br /> DEPARTMENT OF <br /> NATURAL <br /> RESOURCES <br /> Roy Romer <br />March 23, 1994 c°"°°°` <br /> Ken Salazar <br /> f arc°Iror DireUw <br />Mr. Karl Koehler m,chael8 Lo~K <br />Environmental Specialist D.visi°° o~~r~i°~ <br />Cyprus Orchard Valley Coal Corporation <br />P.O. Box 1299 <br />Paonia, CO 81428 <br />RE: Orchard Valley Mine, File C-81-038, Subsidence Monitoring Update <br />Dear Mr. Koehler: <br />The Division has approved your application for Technical Revision No. 24 which revises the <br />Hydrologic Monitoring Plan for the Orchard Valley Mine (decision form attached). <br />Please be advised that COVCC has thirty days within which it must submit, to the Division, a <br />technical revision to update its subsidence monitoring plan in accordance with the concerns <br />raised by Kent Gorham in his January 6, 1994 letter addressed. in TR-24 adequacy comments. <br />If you have questions or comments, please contact me. <br />Sincerely, <br />~~~~ <br />~ Steve S. Shuey <br />Environmental Specialist <br />SSS/ern <br />Enclosure <br />M: \oss\ern\ovmine. sss <br />