File:EWE V1 D022 How surface wells are polluted.png

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English: how surface wells are polluted
Date
Source Internet Archive
Author Unknown authorUnknown author

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This media file is in the public domain in the United States. This applies to U.S. works where the copyright has expired, often because its first publication occurred prior to January 1, 1929, and if not then due to lack of notice or renewal. See this page for further explanation.
United States
United States
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Date/TimeThumbnailDimensionsUserComment
current08:20, 3 February 2014Thumbnail for version as of 08:20, 3 February 20141,267 × 1,307 (474 KB)Ineuw (talk | contribs)User created page with UploadWizard

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