http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f49-subject=Lake ecology -- Great Lakes -- History) https://catalog.wrhs.org/collections/search?docsPerPage%3D100;f49-subject%3DLake%20ecology%20--%20Great%20Lakes%20--%20History Results for your query: docsPerPage=100;f49-subject=Lake ecology -- Great Lakes -- History Thu, 01 Jan 1970 12:00:00 GMT The late, Great Lakes: an environmental history. Ashworth, William, 1942- https://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc https://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc Thu, 01 Jan 1970 12:00:00 GMT