Multibeam bathymetry data along the axis of the Galápagos Rift
showing the area at 86°W where hydrothermal vents were discovered
in 1977, and the area near 89°W that will be explored on a cruise
in 2002. (Multibeam data from Canales et al., J. Geophys. Res., 102,
27,341-27,354, 1997)