http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f277-subject=Iron ores -- Michigan) https://catalog.wrhs.org/collections/search?docsPerPage%3D100;f277-subject%3DIron%20ores%20--%20Michigan Results for your query: docsPerPage=100;f277-subject=Iron ores -- Michigan Thu, 01 Jan 1970 12:00:00 GMT Report on the geology of the Lake Superior land district. Foster, J. W. (John Wells), 1815-1873, Whitney, J. D. (Josiah Dwight), 1819-1896, Hall, James, 1811-1898, Desor, E. (Edouard), 1811-1882, Whittlesey, Charles, 1808-1886, Whitney, W. D. 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