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Urban Bed-Sediment Sites Sampled for Trace Elements
Bed-sediment sample, Wisconsin.

USGS scientist collecting a stream sediments sample, Wisconsin.

  

Map of Cycle I Sites

Map of Cycle I urban fixed sites sampled for trace elements in bed sediment.


     

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 U.S. Department of the Interior, U.S. Geological Survey
 Contact for NAWQA: nawqa_whq@usgs.gov
 Maintainer: Jean A. Dupree - dupree@usgs.gov
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 Document URL- http://co.water.usgs.gov/nawqa/urbanPortal/html/traceelements_bedsed_maps.html
 Last Update: May 23, 2006