During the period from 5th January 1978 to 13th February 1978 BGR acquired seismic lines in the Southern Ocean, in the Weddell Sea, in the Lazarev Sea and the Riiser-Larsen Sea along the eastern antarctic continental margin. The lines BGR78-04 and BGR78-17 consist of raw data. The lines BGR78-01, BGR78-02, BGR78-03, BGR78-05, BGR78-06, BGR78-07, BGR78-08, BGR78-09, BGR78-10, BGR78-11, BGR78-12, BGR78-13, BGR78-14, BGR78-16, BGR78-18, BGR78-19, BGR78-20, BGR78-20A, BGR78-21, BGR78-22, BGR78-22A and BGR78-23 are stacked data.