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        "cruise_data_url":null,
        "cruise_area":null,
        "end_date":"1967-07-14T00:00:00",
        "end_date_est":"Real",
        "restitle":"Geophysical Survey 1967/2: St Abbs (10/Jul/1967 to 14/Jul/1967)",
        "abstract":"This marine geophysical survey was carried out by Institute of Geological Sciences now British Geological Survey (BGS), the survey took place in July 1967 off St Abbs on board the MV Braw Lads.  The purpose was to ascertain whether or not it is possible with limited techniques to trace a connection between the Dunbar and Tweed Carboniferous basins a short distance offshore. Sea floor data were collected using echosounder and transit sonar.  These data are archived by BGS. Technical details of the survey are contained in IGS report 70/1.",
        "cruise_alias":null,
        "additional_info":"Information for this survey is sourced from IGS report 70/1.  Vessel \u2013 46 foot fishing boat. Navigation - Decca Navigatior MK 12 with sextant and shore-based theodolites as alternatives. Kelvin Hughes transit sonar (48 kHz), interference occurred from boat\u2019s MS 39 FS echo-sounder (40 kHz). Carried out 59 traverses totaling 243km.  Noise was excessive when running at more than 3 knots and in heavy swell. For more detailed information see the Cruise Report.",
        "confidentiality":"unclassified (open file)",
        "nav_equip_type":"Not Available",
        "accessuse_restric":"unrestricted use, copyright acknowledgement",
        "ship":"MV Braw Lads",
        "geophys_equip_type":"Echo Sounder, Transit Sonar",
        "terms_of_use":"Available under the Open Government Licence subject to the following acknowledgement accompanying the reproduced British Geological Survey materials \"Contains British Geological Survey materials \u00a9UKRI [year]\"",
        "cruise":"1967/2",
        "client":"British Geological Survey",
        "samp_equip_type":null,
        "terms_of_use_url":"http://nationalarchives.gov.uk/doc/open-government-licence/version/3/",
        "start_date":"1967-07-10T00:00:00",
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