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CLIMAX MOLYBDENUM COMPANY Henderson Operations <br />A Subsitliery of Phelps Dotlge Corporation P. ~, BD% 68 <br />Empire, Colorado 80438 <br />(303] 569-3221 <br />Fax (303) 569-2830 <br />Mazch 6, 2003 <br />Via United Pazcel Service -Overnight Delivery RECEIVED <br />Mr. Bruce Humphries, Minerals Chief MAR ~~ 2003 <br />Division of Minerals & Geology Division of Minerals ansf Gealaby <br />Department of Natural Resources <br />1313 Sherman Street, Room 215 <br />Denver, CO 80203 <br />RE: 2002 ANNUAL REPORT 112d-3 ANUAL REPORT - HENDERSON MINE <br />AND MILL (PERMIT NO. M-77-342) <br />Dear Mr. Humphries: <br />Included is the Colorado Division of Minerals and Geology (DMG) Annual 112d-3 <br />Report for Climax Molybdenum Company's Henderson Mine and Mill (Permit No. M- <br />77-342), and our check for the $1,000.00 annual fee. We did not include in this report <br />any updates to our estimated reclamation costs since we are still in the process of working <br />with DMG to refine these numbers. Below is a summary of interim reclamation activities <br />conducted during 2002. <br />Mine Site <br />There were no new disturbances at the Mine in 2002, nor do we expect any in 2003. We <br />conducted no reclamation activities at the Mine in 2002. Additional detail on reclamation <br />completed at the millsite follows. <br />Mill Site <br />The tailings basin water pool increased to an elevation of 8,812 feet, which increased our <br />disturbed acreage in 2002 to 1,026 acres, from 1,010 acres in 2001. Based on past fly- <br />over survey information, Henderson believes this information is conservative. The <br />Henderson Mill continues to log the remaining forested areas around the tailings <br />impoundment that will be inundated by life of mine. The work was not completed as <br />planned in 2002, and work will continue during 2003. The Henderson Mill beetle <br />control-logging project, initiated during the 4'" quarter of 2000, is still ongoing. Beetle <br />infestation is so extreme that an additional logger was added to the project in 2002. The <br />Henderson Mill has obtained a Forest Agriculture Plan for its nearly 8,000 forested acres. <br />The 1-Dam wellfield project to capture groundwater below 1-Dam was completed and is <br />functioning as designed. Groundwater investigations below 3-Dam were initiated in <br />