www.bartington.com Downhole Magnetometer Survey on the Isle of Dogs Instrumentation • Mag-03MSS three-axis fluxgate magnetic field sensor • Spectramag-6 data acquisition unit Objectives The principal aim of this survey was to determine the depth below ground level of the toe of a steel sheet pile that separates the site from the River Thames. Application This site is being redeveloped. The client wished to establish the pile length so as

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