File:1892 Map of Charles River showing principal sources of pollution by the Boston Engineering Dept, from the Digital Commonwealth - commonwealth 3f4635739.jpg

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English: 1892 Map of Charles River showing principal sources of pollution by the Boston Engineering Dept, from the Digital Commonwealth - commonwealth 3f4635739. (https://www.digitalcommonwealth.org/search/commonwealth:3f4635739)
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Source Digital Commonwealth
Author Boston Engineering Dept

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Public domain
This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929.
Public domain works must be out of copyright in both the United States and in the source country of the work in order to be hosted on the Commons. If the work is not a U.S. work, the file must have an additional copyright tag indicating the copyright status in the source country.
Note: This tag should not be used for sound recordings.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:1892_Map_of_Charles_River_showing_principal_sources_of_pollution_by_the_Boston_Engineering_Dept,_from_the_Digital_Commonwealth_-_commonwealth_3f4635739.jpg

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current18:17, 29 November 2021Thumbnail for version as of 18:17, 29 November 20217,878 × 11,556 (129.06 MB)Daderot (talk | contribs)Uploaded a work by Boston Engineering Dept from Digital Commonwealth with UploadWizard

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