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To reveal the changes of heavy metals distribution in different reclaimed years in coal mine reclaimed areas, and evaluate the environmental pollution, in this study we chose the reclaimed areas of Heidaigou mining opencast coal mine in loess plateau region as our research object. We sampled from 0 -40 cm soil depth in different reclaimed areas, analyzed and evaluated the changes of soil heavy metals under different years after reclamation. The results showed that: As the years increased afterdoi:10.12677/sd.2017.74021 fatcat:voepk2bg2vdb7ools4fumnnlpm