The product is a 2-volume set of vintage hardcover books titled "Ore Deposits of the United States, 1933-1967" edited by John D. Ridge. Published in 1968 by The American Institute of Mining, Metallurgical, and Petroleum Engineers, these first edition books are dedicated to earth sciences. Focusing on the Graton-Sales ore deposits, this illustrated nonfiction work provides detailed information on American metallurgy during the mid-20th century, making it a valuable resource for adults interested in mathematics and sciences.
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