http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f277-subject=Geological Survey of Ohio) https://catalog.wrhs.org/collections/search?docsPerPage%3D100;f277-subject%3DGeological%20Survey%20of%20Ohio Results for your query: docsPerPage=100;f277-subject=Geological Survey of Ohio Thu, 01 Jan 1970 12:00:00 GMT Ohio Geological survey: remarks of Col. Charles Whittlesey, before the Geological Committee, Ohio Legislature, March 11th, 1879. Whittlesey, Charles, 1808-1886 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 Geological surveys of Ohio. Orton, Edward, 1829-1899 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