Report: Day, GA. 1970. Cruise Report for MV Surveyor. MGU Project 70/02. (BGS Report No WB/MG/70/6). Positioning: Main Chain Decca with towed log. Echo Sounding: MS 32 Sonar Systems: No information on the side-scan sonar. Transit sonar also used. Seismic Systems: Sparker System: Little specific information. Prototype Geomechanique sparker array used for latter part of the survey. Most lines run at 1kJ Gravitymeter: LaCoste and Romberg gravity meter. Magnetometer: RVU Barringer magnetometer