Supplement to: Mullins, Henry T; Keller, G H; Kofoed, John; Lambert, D N; Stubblefield, W L; Warme, J E (1982): Geology of Great Abaco Submarine Canyon (Blake Plateau): Observations from the research submersible “Alvin”. Marine Geology, 48(3-4), 239-257, https://doi.org/10.1016/0025-3227(82)90099-8