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<br />_. , <br />'''Y <br />~. <br />t.lClli,~Cl Sca:,cs 1~C[Jc`lr~,iTlCrl% e` Che '. =-.er:or <br />OFFICfs O[~ SU1tl~:\C F: NI[NING <br />Ili C:n I11uLWn nrii i~: niorcem rnt <br />DROOPS TO~VL RS <br />10:0 I STII STRCr:T ' <br />. D[N~'CR, COLOR.VDO 50:02 <br />MEMORANDUM <br /> <br />T0: Chief, Division of Engineering alys' ~~-11fJED Ll~h1D RFL'1_>1W1AT1DN <br />Colo. Depl. of Naiural Resources <br />FROM: Senior Reclamation Specialist 1/~n~l~'"^~,-~ <br />SUBJECT: Investigation of a Fire in an Abandoned Mine near Florence, <br />Colorado <br />The subject fire was investigated for a second time October 1, 1982. The <br />details of the first visit, July 20 ,1982, are in a memo dated September <br />7, 1982. <br />On this investigation I was accompanied by Jim Irwin, and Don Herrera <br />from the Newlin Creek Mine, L1 K. Chen from GEC, and Oave eucknam of <br />Colorado State Division of Abandoned Mined Lands. Several hours wire <br />spent_on the site and ..the following observations were made: <br />1. The abandoned mine workings were definitely on fire and venting <br />actively from several points, primarily on the highwall. . <br />2. Steam and other gases were observed rising through the toe of the <br />refuse dump from the fire in the mine below. <br />3. No fire what-so-ever was noted in the dumped refuse material. <br />4. Two subsidence pits behind the highwall near the fire were drawing <br />air. <br />5. Two breaks were observed in the water line. One, the lower, was <br />allowing an estimated 50 GPM to flow into the mine. <br />6. Evidence which would aid in estimating the "age" of.the fire had been <br />destroyed by earth moving efforts to control it. <br />7. Extreme care should be exercised when additional earth work is <br />attempted on the highwall due to the fragile support over the mined out <br />rooms. [t was suggested that overburden material ~^ plar,~ between the <br />coal and/or highwall before future refuse was dum~~c'. ~"••~ fire itself <br />should be controlled by the covering or filling o` bo*.h ;H=ake ~'.^d <br />exhaust vents to reduce the rate of colnbusLion until such time a positive <br />course of action for the control of the fire can be established. <br />r ~'.: , <br />October 8, 1982 f, ~~' •`.- i~; u~if .,..~,...% <br />yi~LJ'T ~. ry•r~_ <br />