Ore deposits of the United States, 1933-1967. The Graton-Sales volume. John D. Ridge, editor. - American Institute of Mining, Metallurgical and Petroleum Engineers; Graton, Louis Caryl 1880-1939.; Sales, Reno H.; Ridge, John D. (New York s.n., 1968)
Keywords: Ore-deposits -- United States; Mines and mineral resources -- United States; Geology, Economic -- United States