The 104.2 m long and 70 m wide 3D seismic survey vessel Ramform Atlas, part of the fleet of the marine geophysical company PGS. This vessel belongs to their Titan class and is equipped with 24 streamer reels. The 104.2 m long and 70 m wide 3D seismic survey vessel Ramform Atlas, part of the fleet of the marine geophysical company PGS. This vessel belongs to their Titan class and is equipped with 24 streamer reels. Photograph courtesy of PGS. M. Jakobsson et al. Geological Society, London, Memoirs 2016;46:17-40 © 2016 The Author(s). Published by The Geological Society of London