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New Filtered Water Supply for the City of Pittsburgh

How the Allegheny River Water is Purified and Delivered into the City Mains

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Scientific American Magazine Vol 102 Issue 26This article was originally published with the title “New Filtered Water Supply for the City of Pittsburg” in Scientific American Magazine Vol. 102 No. 26 (), p. 522
doi:10.1038/scientificamerican06251910-522