http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f5-subject=Geology, Stratigraphic -- Precambrian) https://catalog.wrhs.org/collections/search?docsPerPage%3D100;f5-subject%3DGeology,%20Stratigraphic%20--%20Precambrian Results for your query: docsPerPage=100;f5-subject=Geology, Stratigraphic -- Precambrian Thu, 01 Jan 1970 12:00:00 GMT Report on a continuously cored hole drilled into the Precambrian in Seneca County, northwestern Ohio. Wickstrom, Lawrence H., Botoman, George., Stith, David A. 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