http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f262-subject=Petroglyphs) http://norton.wrhs.org/collections/search?docsPerPage%3D100;f262-subject%3DPetroglyphs Results for your query: docsPerPage=100;f262-subject=Petroglyphs Thu, 01 Jan 1970 12:00:00 GMT The black hand. McKinley, John D. H. 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 Petroglyphs in the Susquehanna River near Safe Harbor, Pennsylvania. Cadzow, Donald 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