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Using geophysical methods to characterize environmental effects of abandoned mining and milling operations.

Authors
Lepper-CM
Source
Env Issues & Waste Mgmt in Energy & Mineral Production, A. A. Balkema, 1992 Jan; :813-821
Link
NIOSHTIC No.
10011478
Abstract
The U.S. Bureau of Mines is actively involved in environmental assessment of mine and mill tailings refuse piles left by operations in the late 1800's to about 1950. Abandoned mill tailings near Buena Vista, Colorado, are believed to be polluting an adjacent stream. The mine operation extracted gold, silver, lead, zinc, copper, and iron and left behind tailings piles covering approximately 30,000 square meters of the surface adjacent to Chalk Creek. Erosional processes have caused the fine tailings to enter the creek, and surface and under-deposit water flows carry leached metals into the creek. In an attempt to define and characterize the source of the creek water pollution, the Bureau conducted geophysical investigations on the mill tailings in October 1990 and again in June 1991. The results of these studies are the subject of this presentation.
Keywords
Mining-industry; Milling-industry; Environmental-contamination; Environmental-hazards; Environmental-pollution
Publication Date
19920101
Document Type
OP
Fiscal Year
1992
NTIS Accession No.
NTIS Price
Identifying No.
OP-228-92
NIOSH Division
DRC
Source Name
Env. Issues & Waste Mgmt. in Energy & Mineral Production
State
CO
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