U.S. GEOLOGICAL SURVEY
Water Resources Investigations Report 03-4285
By: Suzanne R. Femmer, U.S. Geological Survey
Missouri has a long history of lead mining in the Park Hills and Viburnum Trend areas. Lead ore production has been a significant economic presence since the settlement of Missouri in the 1700's. As lead sources are depleted in active mining areas, new areas are being explored for economical ore bodies. The exploration area south of Winona, a possible extension of the Viburnum Trend lead-producing area, lies in an area of intense interest because of its scenic beauty and sensitive environment.
Water-quality, streambed-sediment, fish tissue, instream and riparian habitat, and invertebrate-community samples were collected from three sites in the Viburnum Trend for the National Water-Quality Assessment (NAWQA) program Black River synoptic study in 1995 and from four sites in the exploration study area in 2001. The samples, which were collected using NAWQA protocols, were analyzed and compared to establish background conditions and similarities between sites.
Bacteria, lead, and zinc concentrations were substantially different between the study areas. Habitat characteristics, such as streambed substrate size and embeddedness were similar. The Eleven Point River at Turner's Mill is substantially larger in size than the other six surveyed sites. Trace element concentrations in fish tissue samples collected in the two study areas are similar. Samples from both areas had elevated mercury levels. Invertebrate community data indicated similarity among the Viburnum Trend study area sites, but these sites had little in common with the exploration study area sites. The invertebrate community structure in the exploration study area were not similar.
TABLE OF CONTENTS
Purpose and Scope
Description of Study Area
Methods of Study
Background Characteristics and Statistical Comparisons
Vertical coordinate information is referenced to the National Geodetic Vertical Datum of 1929 (NGVD 29). Elevation, as used in this report, refers to distance above or below NGVD 29. NGVD 29 can be converted to the North American Vertical Datum of 1988 (NAVD 88) by using the National Geodetic Survey conversion utility available at URL http://www.ngs.noaa.gov/TOOLS/Vertcon/vertcon.html.
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For more information about USGS activities in Missouri contact:
U.S. Geological Survey
Missouri Water Science Center
1400 Independence Road
Rolla, Missouri 65401
Telephone: (573) 308-3667
Fax: (573) 308-3645
or access the USGS Missouri Water Science Center home page at: http://mo.water.usgs.gov/.
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Last modified: Friday, September 16 2005, 04:24:03 PM