Supplement to: Toomey, Michael R; Woodruff, Jonathan D; Donnelly, Jeffrey P; Ashton, Andrew D; Perron, J Taylor (2016): Seismic evidence of glacial-age river incision into the Tahaa barrier reef, French Polynesia. Marine Geology, 380, 284-289, https://doi.org/10.1016/j.margeo.2016.04.008