http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f4-subject=Geology -- Massachusetts -- Maps) https://catalog.wrhs.org/collections/search?docsPerPage%3D100;f4-subject%3DGeology%20--%20Massachusetts%20--%20Maps Results for your query: docsPerPage=100;f4-subject=Geology -- Massachusetts -- Maps Thu, 01 Jan 1970 12:00:00 GMT Report on the geological map of Massachusetts. Massachusetts Commission to the Centennial Exhibition, 1876., Crosby, William Otis, 1850-1925, Burbank, Levi Sumner. 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