http://www.rssboard.org/rss-specification 720 XTF Search Results (freeformQuery=government;expand=subject;f1-subject=Geology -- Pennsylvania) http://catalog.wrhs.org/collections/search?freeformQuery%3Dgovernment;expand%3Dsubject;f1-subject%3DGeology%20--%20Pennsylvania Results for your query: freeformQuery=government;expand=subject;f1-subject=Geology -- Pennsylvania Thu, 01 Jan 1970 12:00:00 GMT The geology of Pennsylvania: a government survey. Rogers, Henry D. (Henry Darwin), 1808-1866, Geological Survey of Pennsylvania 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