http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f4-subject=Water-supply -- Ohio -- Columbus) https://catalog.wrhs.org/collections/search?docsPerPage%3D100;f4-subject%3DWater-supply%20--%20Ohio%20--%20Columbus Results for your query: docsPerPage=100;f4-subject=Water-supply -- Ohio -- Columbus Thu, 01 Jan 1970 12:00:00 GMT Annual report. Columbus (Ohio) Water Works Dept. https://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc https://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc Thu, 01 Jan 1970 12:00:00 GMT Water purification at Columbus. Hoover, Charles Potter, 1884-1950 https://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc https://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc Thu, 01 Jan 1970 12:00:00 GMT