XTF Search Results (docsPerPage=100;f4-subject=Iron mines and mining -- Statistics)

http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f4-subject=Iron mines and mining -- Statistics) https://catalog.wrhs.org/collections/search?docsPerPage%3D100;f4-subject%3DIron%20mines%20and%20mining%20--%20Statistics Results for your query: docsPerPage=100;f4-subject=Iron mines and mining -- Statistics Thu, 01 Jan 1970 12:00:00 GMT Lake Superior iron ores: mining directory and statistical record of the Lake Superior iron ore district of the United States and Canada. Lake Superior Iron Ore Association 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 Lake Superior iron ores, 1938. Lake Superior Iron Ore Association 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