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File:ChicagoRiver.svg

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Description Chicago River
Date
Source Surface-Water-Quality Assessment of the Upper Illinois River Basin in Illinois, Indiana, and Wisconsin--Pesticides and Other Synthetic Organic Compounds in Water, Sediment, and Biota, 1975-90, page 21 (PDF page 30)
Author USGov
Permission
(Reusing this file)		 PD-USGov-USGS
which is modified from Terrio, P.J., 1994, "Relations of changes in wastewatertreatment practices to changes in stream-water quality during 1978–88 in the Chicago area, Illinois, and implications for regional and national water-quality assessments: U.S. Geological Survey Water-Resources Investigations Report" 93-4188, 56 p.

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Public domain
This image is in the public domain in the United States because it only contains materials that originally came from the United States Geological Survey, an agency of the United States Department of the Interior. For more information, see the official USGS copyright policy.

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Date/TimeThumbnailDimensionsUserComment
current18:24, 11 April 2007Thumbnail for version as of 18:24, 11 April 20071,023 × 1,421 (218 KB)Interiot~commonswiki (talk | contribs)
18:20, 11 April 2007Thumbnail for version as of 18:20, 11 April 2007490 × 681 (217 KB)Interiot~commonswiki (talk | contribs)
18:18, 11 April 2007Thumbnail for version as of 18:18, 11 April 2007490 × 681 (226 KB)Interiot~commonswiki (talk | contribs)
10:39, 11 April 2007Thumbnail for version as of 10:39, 11 April 2007490 × 681 (281 KB)Interiot~commonswiki (talk | contribs)
10:31, 11 April 2007Thumbnail for version as of 10:31, 11 April 2007490 × 681 (284 KB)Interiot~commonswiki (talk | contribs)Source: [http://il.water.usgs.gov/nawqa/uirb/pubs/reports/WRIR_96-4135.pdf Surface-Water-Quality Assessment of the Upper Illinois River Basin in Illinois, Indiana, and Wisconsin--Pesticides and Other Synthetic Organic Compounds in Water, Sediment, and Bio

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