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iii iiiiiiiiiiiu iii • <br />999 <br />DIVISION OF MINERALS AND GEOLOGY <br />Deparrmem of Natural Resources <br />I }I 7 Sherman SI , Room 215 <br />Denver, CO 80207 <br />Phone: 13031 866-3567 <br />FAX: (3031832-8106 <br />November 5, 1993 <br />Mr. Carl Wood <br />Henderson Mine and Mill <br />P.O. Box 68 <br />Empire, CO 80438 <br />Roy Romer <br />Governor <br />Michael B. Lang <br />Division Dvec mr <br />Re: Remote Sensing, Henderson Mine and Mill, CLIMAX Dfolybdenum <br />Company, File No. M-77-342 <br />Dear Mr. Wood: <br />During the Division's inspection of the Henderson Mi1:L site in <br />October, we discussed the possibility of utilizing remote sensing <br />techniques to better delineate the dispersion of winri carried <br />tailing within the Williams Fork Drainage. Enclosed is some <br />information regarding the use of this technology. <br />The use of remote sensing, together with field portable x-ray <br />fluorescence, could enhance the ecological monitoring program that <br />has been conducted at Henderson since before start-up. This <br />technology could provide a photographic illustration of tailing <br />dispersion that may be in some ways easier to interpret than pages <br />of data on soil chemistry, vegetation density, air quality, etc. <br />Please contact me if you have any questions. <br />Sincere y, <br />Allen C.~son <br />Reclamation Specialist <br />• <br />STATE OF COLORADO <br />o~ cow <br />ee 4 <br />:~/~~ <br />enclosure(s) <br />