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Hydrologic Properties and Characteristics of Two Tailings Ponds.
For Reference Only At Bureau Libraries :163 pages
This report describes site investigations conducted at two tailings impoundments to develop baseline hydrological data for the evaluation of these waste management practices. The impoundments are associated with a lead mine and mill in Missouri and a gold mine and mill in South Dakota. The overall objectives of the investigations were to estimate the rate of seepage, to evaluate water quality impacts, and to obtain a better definition of the hydrogeology in the immediate area of the dams. Water table contour maps were prepared, water balance calculations were made, pump tests were conducted, water quality samples were collected and analyzed, and pertinent existing data were assembled and evaluated. Results of the study were largely inconclusive with regard to determination of water quality impacts due to seepage and estimation of theoretical seepage rates by water balance calculation. They have, however, provided additional insight into understanding the complex hydrogeological systems at these sites.
CP; Final Contract Report;
For Reference Only At Bureau Libraries
Pei Associates, Inc.
Page last reviewed: September 2, 2020
Content source: National Institute for Occupational Safety and Health Education and Information Division