URL https://www.researchgate.net/profile/Masaru-Yamanaka/publication/309435795/figure/fig4/AS:421496737800193@1477504061347/Hydrogeochemical-controls-of-groundwater-in-the-OAF-along-the-flow-paths-illustrated-on-a.png
URL2 https://www.researchgate.net/figure/Hydrogeochemical-controls-of-groundwater-in-the-OAF-along-the-flow-paths-illustrated-on-a_fig4_309435795
