ICETT Let's learn about Yokkaichi Pollution Outline of Japan's Industrial Pollution Abatement Preventative Measures Against Water Pollution Jinzu River, Toyama Prefecture 2) History of Kamioka Mines Figure 1 - 4 Figure 1 - 4 Figure 1-4 Transition in production volume at the Kamioka Mines following the court ruling on the itai-itai disease