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PREVIOUS STUDIES 
Study area locations

Map explanation

 Viburnum trend area

 

Because of the many environmental concerns associated with potential lead-zinc mining in the exploration area, the U.S. Department of Agriculture, Forest Service, the U.S. Departement of the Interior, Bureau of Land Management, and the U.S. Geological Survey have supported several investigations since 1988 designed to: quantify background physical and chemical characteristics of ground, surface, and spring water and sediment; assess aquifer and confining unit hydraulic properties; study background concentrations of trace elements in aquatic biota; and provide geological mapping to establish a geohydrologic framework in the exploration area. These studies have provided vital information on the natural geohydrologic system of the exploration area. 

 

Previous Studies
[Ground-Water Levels] [Water and Sediment Quality] [Geologic Mapping]
[Dye-Trace Studies] [St. Francois confining unit] [Stream Seepage]

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[Lead-Mining Home] [Previous Studies] [Current Studies] [Publications] [Links]

For more information contact:

Michael J. Kleeschulte, Hydrologist
U.S. Geological Survey
Missouri Water Science Center
1400 Independence Rd., MS 100
Rolla, MO 65401
Telephone: (573) 308-3675
Fax:(573) 308-3645

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Updated: August 25, 2003
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