http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f70-subject=Copper mines and mining -- Michigan) https://catalog.wrhs.org/collections/search?docsPerPage%3D100;f70-subject%3DCopper%20mines%20and%20mining%20--%20Michigan Results for your query: docsPerPage=100;f70-subject=Copper mines and mining -- Michigan Thu, 01 Jan 1970 12:00:00 GMT Old Reliable: an illustrated history of the Quincy Mining Company. Lankton, Larry D., Hyde, Charles K., 1945- 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 Report on the geology and topography of a portion of the Lake Superior land district, in the state of Michigan / Part I, copper lands. Foster, J. W. (John Wells), 1815-1873, Whitney, J. D. (Josiah Dwight), 1819-1896 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 Ancient mining on the shores of Lake Superior. Whittlesey, Charles, 1808-1886 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 A true description of the lake Superior country ... with Bayfield's chart: showing the boundary line as established by Joint commission. Also a minute account of the copper mines and working companies ... and containing a concise mode of assaying, treating, smelting, and refining copper ores. St. John, John R. 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 Mineral lands on Lake Superior: letter from the Secretary of War, relative to the mineral lands on Lake Superior, in compliance with a resolution of the House of Representatives of the 12th instant. Gray, A. B. (Andrew Belcher), 1820-1862, Stockton, John., United States War Dept. 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