This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
THE MCKEESPORT SANITARY SEWAGE TREATMENT FACILITY DISCHARGE SHOWS SUDS CREATED BY DETERGENTS FLOATING IN THE... NARA .tif Scope and content General notes Local identifier DA Environmental Protection Agency NARAAuthor Alexandrowicz John Photographer File THEMCKEESPORTSANITARYSEWAGETREATMENTFACILITYDISCHARGESHOWSSUDSCREATEDBYDETERGENTSFLOATINGINTHE