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Scanned geophysical records, reports and track charts from Tarmac (previously Lafarge Tarmac) aggregate industry marine surveys 1989 to 2004. The geophysical records include boomer seismic and side scan sonar data of varying quality. All records from 44 boxes of paper records have been scanned at BGS and are delivered online along with any additional digital file such as reports or data files. The data are stored as part of the National Geoscience Data Centre (NGDC) and the Marine Environmental Data and Information Network (MEDIN) Data Archive Centre (DAC) for Geology and Geophysics.