JIE_Sankey_V5_Fig1-ProcInst_of_Civil_Eng_volCXXXIVSession1897-98_Part IV Published April 22, 2018 at 2183 × 2319 in Sankey Maps The original Sankey Diagram. JIE Sankey, Volume 5 Figure 1, ProcInst_of_Civil_Eng_volCXXXIVSession 1897-98 Part IV.