http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f277-subject=Radon -- Environmental aspects -- Ohio) https://catalog.wrhs.org/collections/search?docsPerPage%3D100;f277-subject%3DRadon%20--%20Environmental%20aspects%20--%20Ohio Results for your query: docsPerPage=100;f277-subject=Radon -- Environmental aspects -- Ohio Thu, 01 Jan 1970 12:00:00 GMT Geological controls on indoor radon in Ohio. Harrell, James A., McKenna, John P., Kumar, A. (Ashok), 1938-, Ohio Division of Geological Survey. 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