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Urban Ground-Water Sites Sampled for Volatile Organic Compounds (VOCs)
Auger well drilling, Illinois.

USGS driller checking the depth of an auger well, Upper Illinois Basin urban drilling.

  

Map of Cycle I Sites

Map of Cycle I urban wells sampled for VOCs.

Map of Cycle II Sites

Map of Cycle II urban wells sampled for VOCs.


     

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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/vocs_gw_maps.html
 Last Update: May 23, 2006