http://www.rssboard.org/rss-specification 720 XTF Search Results (f1-format=Map;expand=subject;f2-subject=Waterfronts -- Pennsylvania -- Schuylkill River -- Maps) http://catalog.wrhs.org/collections/search?f1-format%3DMap;expand%3Dsubject;f2-subject%3DWaterfronts%20--%20Pennsylvania%20--%20Schuylkill%20River%20--%20Maps Results for your query: f1-format=Map;expand=subject;f2-subject=Waterfronts -- Pennsylvania -- Schuylkill River -- Maps Thu, 01 Jan 1970 12:00:00 GMT Official maps of the Delaware and Schuylkill Rivers approaches to the city of Philadelphia. United States Coast and Geodetic Survey., Hassler, F. R. (Ferdinand Rudolph), 1770-1843, Boyce, W. M., Bache, R. M., Hergesheimer, J., Marindin, H. L., Harkness, William W. 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