File:ChicagoRiver.svg
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Original file (SVG file, nominally 1,023 × 1,421 pixels, file size: 218 KB)
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This is a file from the Wikimedia Commons. The description on its description page there is shown below.
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Summary
| 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.
Licensing
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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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File history
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| Date/Time | Dimensions | User | Comment | |
|---|---|---|---|---|
| current | 11:24, 11 April 2007 | 1,023 × 1,421 (218 KB) | Interiot~commonswiki |
File usage
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