Salkield, L. U. (1987). A technical history of the Rio Tinto mines: Some notes on exploration from pre Phoenician times to the 1950's. Institution of Mining and Metallurgy.
Chicago Style (17th ed.) CitationSalkield, Leonard Unthank. A Technical History of the Rio Tinto Mines: Some Notes on Exploration from Pre Phoenician Times to the 1950's. London: Institution of Mining and Metallurgy, 1987.
MLA (9th ed.) CitationSalkield, Leonard Unthank. A Technical History of the Rio Tinto Mines: Some Notes on Exploration from Pre Phoenician Times to the 1950's. Institution of Mining and Metallurgy, 1987.
Warning: These citations may not always be 100% accurate.