Salkield, Leonard Unthank.
A technical history of the Rio Tinto mines : some notes on exploration from pre Phoenician times to the 1950's / Leonard Unthank Salkield. - London : Institution of Mining and Metallurgy, 1987. - 114p.
91023062
Rio Tinto Company--History.
Mineral industries--History.
International business enterprises--History.
A technical history of the Rio Tinto mines : some notes on exploration from pre Phoenician times to the 1950's / Leonard Unthank Salkield. - London : Institution of Mining and Metallurgy, 1987. - 114p.
91023062
Rio Tinto Company--History.
Mineral industries--History.
International business enterprises--History.