This marine geophysical survey undertaken for research has been carried out by British Geological Survey (BGS) took place from February to March in the 1968 on board the Humber Conservancy Board survey ship E.P. Hutchinson. Surveys associated with this reserach 1968/7 and 1968/8. The purpose was to collect data as part of a study of the Humber Estuary sediment type distribution; geological structure of the superficial deposits; depths to rockhead beneath superficial deposits and structure of solid rocks. Sea floor data were collected using echosounder and Sidescan Sonar. Sub-bottom profiling data were collected using Pinger and Sparker. These data are archived by BGS. Technical details of the survey are contained in IGS report 69/3 (WB/MC/69/3). McQuillin, R. 1969. Cruise Report: Humber Investigations, 1968.