http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;expand=subject;f2-format=Map;f3-subject=Geology -- Ohio) http://catalog.wrhs.org/collections/search?docsPerPage%3D100;expand%3Dsubject;f2-format%3DMap;f3-subject%3DGeology%20--%20Ohio Results for your query: docsPerPage=100;expand=subject;f2-format=Map;f3-subject=Geology -- Ohio Thu, 01 Jan 1970 12:00:00 GMT Extent of till sheets and ice margins in northeastern Ohio. White, George Willard, 1903-, Guckenheimer, Leonard M. http://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc http://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc Thu, 01 Jan 1970 12:00:00 GMT Structure on the Pittsburgh (no. 8) coal in the Belmont Field, Ohio. DeLong, Richard M. http://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc http://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc Thu, 01 Jan 1970 12:00:00 GMT Areas of shallow bedrock in part of northwestern Ohio. Stith, David A., Ohio Division of Geological Survey. http://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc http://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc Thu, 01 Jan 1970 12:00:00 GMT