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iii iiiiiiiiiiiiiiii <br />STATE OF COLORADO qiC HARD D. LAMM. Govcrnrv 999 <br />DEPARTMENT OF NATURAL RESOURCES <br />D. Monte Pascoe, Executive Director <br />MINED LAND RECLAMATION <br />423 Centennial Building,1313 Sherman Street <br />Denver, Colorado 80203 Tel. (303) 866-3567 <br />David C. Shelton <br />Director <br />September 28, 1982 <br />TO: Twin Pines Mine ile, 77-52I <br />FROM: David Craig <br />RE: Mine Pit Water Quality - Near Florence, Colorado <br />On September 24, 1982, I visited the Twin Pines Coal Mine site near <br />Florence, Colorado. Just out of curiosity, I took a sample of some <br />water located in an old abandoned mine pit adjacent to the Twin Pines <br />site. A cow was laying dead next to the pond. The water had a pR <br />of about 3 and a specific conductivity of about 3400 umhos/cm. Due to <br />the low pH, it is possible that the cow could have died as a result <br />of the injestion of toxic heavy metals in the water. The unreclaimed <br />mine pit was abandoned previous to the existence of reclamation laws <br />in Colorado <br />cc: Dave Holm <br />Jim Pendleton <br />Carol Russell <br />/ys <br />