http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f6-subject=Coal -- Ohio -- Analysis) https://catalog.wrhs.org/collections/search?docsPerPage%3D100;f6-subject%3DCoal%20--%20Ohio%20--%20Analysis Results for your query: docsPerPage=100;f6-subject=Coal -- Ohio -- Analysis Thu, 01 Jan 1970 12:00:00 GMT Analyses of Ohio coals, 1979-1980. Botoman, George., Stith, David A. 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 Trace elements in Ohio coals. Knapp, Norman F. 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