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- W63991606 abstract "Reclamation of a surface mine requires both establishment of vegetation and elimination of contaminated water discharges. Conventional reclamation practices often fail to totally mitigate water pollution. The Pennsylvania Department of Environmental Resources and the Bureau of Mines are conducting a reclamation project aimed at controlling acid production at its source by surface application of high quality limestone. The site of this project is a backfilled strip mine that discharges acidic water at three seepage areas. The project consists of three parts. First, the site was assessed by monitoring of the hydrology, water quality, spoil gas composition, and spoil chemistry. The results indicated that acid production was disseminated, although some lateral differences were observed. The site was reclaimed in May and June 1984 using 327 metric tons per hectare of high-quality limestone. The effect of the reclamation on water quality is currently being assessed in the last phase of the project. One year after reclamation, there has been no major improvement in the water quality in the wells and seeps. A sharp decrease in sulfate and acidity levels in two of the seeps occurred in late 1984; however, the improvement did not persist. 29 references, 8 figures, 2 tables." @default.
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- W63991606 date "1985-12-09" @default.
- W63991606 modified "2023-09-24" @default.
- W63991606 title "Assessment and reclamation of an abandoned acid-producing strip mine in northern Clarion County, Pennsylvania" @default.
- W63991606 hasPublicationYear "1985" @default.
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