Indian Ocean cruise track and bathymetery. The 1995 I8NI5E station locations are shown in green, the 1987 I5 section of Toole and Warren is shown in blue, the 1995 I9N section of Gordon and Olson is shown in light blue and the 1995 I9SI8S section of McCartney is shown in pink. Bathymetry at 3000, 4000, 5000 and 5500 m is shaded increasingly lighter.