Was reading a very interesting account by a former director of Magnum Photo's London office of Salgado's photographs of Serra Pelada gold mine and found this rather enigmatic statement on Salgado's technique: "I’m not qualified to talk about advances in optics, or development of film chemistry, or Salgado’s nine-bath film processing methodology." Any idea what this 'nine-bath film processing methodology' is?
Sebastião Salgado: Gold - 1854 Photography
As Taschen republishes Sebastião Salgado’s classic reportage from the Serra Pelada gold mine, a former Magnum director recalls the day it first landed on his desk