http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f140-subject=Iron ores -- Superior, Lake) http://norton.wrhs.org/collections/search?docsPerPage%3D100;f140-subject%3DIron%20ores%20--%20Superior,%20Lake Results for your query: docsPerPage=100;f140-subject=Iron ores -- Superior, Lake Thu, 01 Jan 1970 12:00:00 GMT The iron ores of Lake Superior: containing some facts of interest relating to mining, beneficiation and shipping of the ore, and location of principal mines. Crowell & Murray http://norton.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc http://norton.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc Thu, 01 Jan 1970 12:00:00 GMT The iron ores of Lake Superior: containing some facts of interest relating to mining and shipping of the ore and location of principal mines. Crowell & Murray http://norton.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc http://norton.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc Thu, 01 Jan 1970 12:00:00 GMT The iron ores of Lake Superior: containing facts of interest relating to mining, beneficiation and shipping of the ore and location of principal mines. Crowell & Murray http://norton.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc http://norton.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc Thu, 01 Jan 1970 12:00:00 GMT The geology and metallurgy of the iron ores of Lake Superior: being a report addressed to the board of directors of the Iron Cliffs Company. Foster, J. W. (John Wells), 1815-1873 http://norton.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc http://norton.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc 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 http://norton.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc http://norton.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 http://norton.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc http://norton.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc Thu, 01 Jan 1970 12:00:00 GMT Grade statement. Grades of Lake Superior iron ore shipped by lake, season ... in gross tons, vessel bill-of-lading weights. Lake Superior Iron Ore Association http://norton.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc http://norton.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc Thu, 01 Jan 1970 12:00:00 GMT