http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f24-subject=Ohio River Valley -- Geography) http://norton.wrhs.org/collections/search?docsPerPage%3D100;f24-subject%3DOhio%20River%20Valley%20--%20Geography Results for your query: docsPerPage=100;f24-subject=Ohio River Valley -- Geography Thu, 01 Jan 1970 12:00:00 GMT Images of the Ohio Valley: a historical geography of travel, 1740 to 1860. Jakle, John A. 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 Measuring America: how an untamed wilderness shaped the United States and fulfilled the promise of democracy. Linklater, Andro. 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