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Reclamation Effectiveness at Three Reclaimed Abandoned Mine Sites in Jefferson County, Montana: Author: Tafi, Tara Christine; Date: 2006-08-15; Program: Land Rehabilitation; Abstract: Montana has an estimated 6000 abandoned mine sites, many with associated waste rock and tailings materials contributing to the release of high levels of acidity, heavy metals, and other contaminants, creating a risk to human health and the environment. Many abandoned mine sites in Montana have been reclaimed, however, little post-reclamation monitoring has been performed, and the effectiveness of reclamation has not been quantified. The goal of this project was to quantify the effectiveness of reclamation at three sites in Jefferson County, Montana based on soil suitability for sustaining plan...; Download File | View full details