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<oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
  <dc:title xmlns:dc="http://purl.org/dc/elements/1.1/">British Geological Survey (BGS) Geophysical Survey 1971/3: Bristol Channel and northern Celtic Sea (14/05/1971 to 07/06/1971)</dc:title>
  <dc:type xmlns:dc="http://purl.org/dc/elements/1.1/">dataset</dc:type>
  <dc:identifier xmlns:dc="http://purl.org/dc/elements/1.1/">https://portal.medin.org.uk/portal/start.php?tpc=016_abc9f747-5482-0f38-e044-0003ba9b0d98</dc:identifier>
  <dc:description xmlns:dc="http://purl.org/dc/elements/1.1/">Report: Tully, MC. 1971. Bristol Channel Cruise Report for MV Researcher. MGU Project 71/03. (IGS Report No 20) Positioning: Decca Mk12 receiver Echo sounding: ORE sub-bottom profiler was used as an echo sounder Sonar systems: Transit sonar (Kelvin Hughes?). Seismic systems: Sparker system: EG&amp;G sparker system with 263b hydrophone streamer and 254 recorder. Most lines run at 1kJ. Also various multi-electrode sparker units were tested Gravity meter: LaCoste and Romberg gravity meter. Magnetometer: Barringer magnetometer</dc:description>
  <dc:date xmlns:dc="http://purl.org/dc/elements/1.1/">19710607</dc:date>
</oai_dc:dc>