http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f3-subject=Ohio River Valley -- Natural history) http://norton.wrhs.org/collections/search?docsPerPage%3D100;f3-subject%3DOhio%20River%20Valley%20--%20Natural%20history Results for your query: docsPerPage=100;f3-subject=Ohio River Valley -- Natural history Thu, 01 Jan 1970 12:00:00 GMT Catalogue of the Unios, Alasmodontas and Anodontas of the Ohio River and its north-western tributaries: adopted by the Western Academy of Natural Sciences, of Cincinnati, January, 1849. Western Academy of Natural Sciences http://norton.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc http://norton.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc Thu, 01 Jan 1970 12:00:00 GMT