XTF Search Results (docsPerPage=100;f70-subject=Copper mines and mining)

http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f70-subject=Copper mines and mining) https://catalog.wrhs.org/collections/search?docsPerPage%3D100;f70-subject%3DCopper%20mines%20and%20mining Results for your query: docsPerPage=100;f70-subject=Copper mines and mining Thu, 01 Jan 1970 12:00:00 GMT The Copper handbook. Stevens, Horace J. (Horace Jared), 1866-1912, Weed, Walter Harvey, 1862-1944 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 The porphyry coppers. Parsons, A. B. (Arthur Barrette), 1887-1966, American Institute of Mining, Metallurgical, and Petroleum Engineers 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