http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f70-subject=Iron mines and mining -- Wisconsin) https://catalog.wrhs.org/collections/search?docsPerPage%3D100;f70-subject%3DIron%20mines%20and%20mining%20--%20Wisconsin Results for your query: docsPerPage=100;f70-subject=Iron mines and mining -- Wisconsin Thu, 01 Jan 1970 12:00:00 GMT The Penokee Iron Range of Lake Superior, with reports and statistics showing its mineral wealth and prospects: charter and organization of the Wisconsin and Lake Superior Mining and Smelting Company. Wisconsin and Lake Superior Mining and Smelting Company 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