http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;smode=advanced;subject=Mineral industries -- Periodicals;subject-join=exact) http://norton.wrhs.org/collections/search?docsPerPage%3D100;smode%3Dadvanced;subject%3DMineral%20industries%20--%20Periodicals;subject-join%3Dexact Results for your query: docsPerPage=100;smode=advanced;subject=Mineral industries -- Periodicals;subject-join=exact Thu, 01 Jan 1970 12:00:00 GMT The Ohio mining journal: Official organ of the Ohio Institute of Mining Engineers. Haseltine, Robert M., Ohio Institute of Mining Engineers 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 Minerals yearbook. United States Bureau of Mines., Geological Survey (U.S.) 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