{
    "type":"Feature",
    "properties":{
        "cruise_id":118.0,
        "mdfileid_nerc_guid":"abc9f747-541f-0f38-e044-0003ba9b0d98",
        "cruise":"1975/30",
        "cruise_alias":null,
        "restitle":"Geophysical and Sampling Survey 1975/30: Thames Estuary (11/May/1975 to 16/May/1975)",
        "ship":"Helicopter",
        "client":"British Geological Survey",
        "contractor":null,
        "cruise_area":"CP2 Regional Sea Boundaries: Southern North Sea, Offshore 1:250k: Thames Estuary, SeaVoX Sub-Ocean: NORTH SEA",
        "abstract":"This sampling and geophysical survey has been carried out by Institute of Geological Sciences now British Geological Survey (BGS) for BGS, the survey took place in May 1975 in the Thames Estuary from a helicopter.  The purpose was to collect data for a helicopter gravity survey for the Applied Geophysics unit.  Beach sample data were collected for the marine geology unit for the UK regional mapping programme. Beach photographs taken at some stations. These data are archived by BGS. No BGS survey report currently available.",
        "additional_info":"For more detailed information on the acquisition equipment and data collection techniques, operational standards, data processing methods and quality control procedures used on this survey see the Report of Survey/Cruise Report and associated documentation where available. The information available may vary depending on the age of the survey. Data are checked and loaded to the BGS Coastal and Marine data management system following BGS marine data management procedures.",
        "nav_equip_type":"Not Entered",
        "geophys_equip_type":null,
        "samp_equip_type":"Beach Sample",
        "start_date":"1975-05-11T00:00:00",
        "start_date_est":"Estimated",
        "end_date":"1975-05-16T00:00:00",
        "end_date_est":"Estimated",
        "confidentiality":"unclassified (open file)",
        "accessuse_restric":"unrestricted use, copyright acknowledgement",
        "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]\"",
        "terms_of_use_url":"http://nationalarchives.gov.uk/doc/open-government-licence/version/3/",
        "cruise_data_url":null
    },
    "id":118.0,
    "geometry":{
        "type":"Polygon",
        "coordinates":[
            [
                [
                    0.80014669228189,
                    51.524808528262
                ],
                [
                    0.8066575768387999,
                    51.503307941532
                ],
                [
                    0.807735332979828,
                    51.500364774362694
                ],
                [
                    0.809835194515593,
                    51.497645046150005
                ],
                [
                    0.812851734964841,
                    51.4952850846217
                ],
                [
                    0.8166336458633511,
                    51.4934031647863
                ],
                [
                    0.820991333178301,
                    51.492093590665895
                ],
                [
                    0.898107380518589,
                    51.4165988189786
                ],
                [
                    0.897034351568248,
                    51.4136552244974
                ],
                [
                    0.897035762614601,
                    51.4106361248588
                ],
                [
                    0.89811133417821,
                    51.407692910281895
                ],
                [
                    0.900206944669755,
                    51.404973137707195
                ],
                [
                    0.9032173814689771,
                    51.40261313725569
                ],
                [
                    0.956733701483208,
                    51.3607824038941
                ],
                [
                    0.9605045227556269,
                    51.3589004385774
                ],
                [
                    0.964849434598503,
                    51.357590832593004
                ],
                [
                    0.9695506947714431,
                    51.356919204548795
                ],
                [
                    0.9743727499163141,
                    51.3569192046551
                ],
                [
                    0.97907401009198,
                    51.35759083290559
                ],
                [
                    0.9834189219416409,
                    51.358900439078695
                ],
                [
                    0.9871897432272231,
                    51.3607824045557
                ],
                [
                    0.990197435638637,
                    51.3631424227206
                ],
                [
                    0.992291134752131,
                    51.3658622154203
                ],
                [
                    0.993365724107172,
                    51.368805451449795
                ],
                [
                    0.993367131819858,
                    51.371824572752196
                ],
                [
                    0.991542390217097,
                    51.384135899981004
                ],
                [
                    0.9915437991704891,
                    51.3871550133335
                ],
                [
                    0.990471388963112,
                    51.390098620960096
                ],
                [
                    0.9883787468387261,
                    51.3928190900514
                ],
                [
                    0.985074374420133,
                    51.46347553856639
                ],
                [
                    0.9871726658302591,
                    51.4661952831613
                ],
                [
                    0.988249615117545,
                    51.46913846779601
                ],
                [
                    1.12501456632778,
                    51.4926484605192
                ],
                [
                    1.13601239933132,
                    51.4688295931339
                ],
                [
                    1.13601381489701,
                    51.4658105221342
                ],
                [
                    1.13709068564565,
                    51.462867335832094
                ],
                [
                    1.13918882424417,
                    51.4601475896938
                ],
                [
                    1.1422028908906499,
                    51.457787612413696
                ],
                [
                    1.14598170127053,
                    51.455905679875
                ],
                [
                    1.1503358167254898,
                    51.45459609682249
                ],
                [
                    1.2172183036457198,
                    51.400139421944694
                ],
                [
                    1.2182936284982198,
                    51.3971962020059
                ],
                [
                    1.22038875886857,
                    51.3944764243817
                ],
                [
                    1.22339850629223,
                    51.392116419465
                ],
                [
                    1.24756890306177,
                    51.372146023317804
                ],
                [
                    1.25057718553834,
                    51.369786008995895
                ],
                [
                    1.25434874638128,
                    51.36790404663049
                ],
                [
                    1.2586945102190499,
                    51.366594442661096
                ],
                [
                    1.26339669215778,
                    51.3659228155791
                ],
                [
                    1.26821969271623,
                    51.3659228155382
                ],
                [
                    1.27292187465403,
                    51.3665944425409
                ],
                [
                    1.27726763848942,
                    51.36790404643789
                ],
                [
                    1.28103919932759,
                    51.3697860087418
                ],
                [
                    1.38639014260469,
                    51.4307891500903
                ],
                [
                    1.38940243161888,
                    51.4331491387016
                ],
                [
                    1.3914993321353901,
                    51.4358688977709
                ],
                [
                    1.39257556663632,
                    51.4388120979062
                ],
                [
                    1.39257697998508,
                    51.4418311829193
                ],
                [
                    1.3915032922479,
                    51.4447747633255
                ],
                [
                    1.38940815413815,
                    51.447495207623895
                ],
                [
                    1.3839100642500002,
                    51.4529953067947
                ],
                [
                    1.38089804249333,
                    51.4553561477362
                ],
                [
                    1.37712037724705,
                    51.457238942179
                ],
                [
                    1.37276654287776,
                    51.4585492157048
                ],
                [
                    1.36805498925262,
                    51.4592212149999
                ],
                [
                    1.36322216190758,
                    51.4592212150584
                ],
                [
                    1.3585106082991798,
                    51.4585492158781
                ],
                [
                    1.2497729656811998,
                    51.5083315858479
                ],
                [
                    1.25153174197172,
                    51.521369995419
                ],
                [
                    1.25260999483453,
                    51.524313151782
                ],
                [
                    1.32410989018269,
                    51.577931936681
                ],
                [
                    1.3284757823640199,
                    51.579241490506
                ],
                [
                    1.3322648154221999,
                    51.5811233813372
                ],
                [
                    1.3352870384237998,
                    51.5834833068021
                ],
                [
                    1.33739085772871,
                    51.5862029938963
                ],
                [
                    1.3384706477496,
                    51.5891461171112
                ],
                [
                    1.33847207342256,
                    51.592165124269
                ],
                [
                    1.33739485237523,
                    51.595108629789195
                ],
                [
                    1.40239021546792,
                    51.6749344955571
                ],
                [
                    1.40712432915642,
                    51.6756060849065
                ],
                [
                    1.4114996076657997,
                    51.6769156156415
                ],
                [
                    1.4152967884469099,
                    51.678797473507494
                ],
                [
                    1.4183255122711698,
                    51.6811573580081
                ],
                [
                    1.4323013999252798,
                    51.69245810757089
                ],
                [
                    1.54689486692503,
                    51.7279378791536
                ],
                [
                    1.55163451559477,
                    51.7286094620984
                ],
                [
                    1.55601491012281,
                    51.7299189803547
                ],
                [
                    1.5598165318267299,
                    51.7318008203915
                ],
                [
                    1.5628487989358,
                    51.734160682728394
                ],
                [
                    1.56495961374602,
                    51.7368802978713
                ],
                [
                    1.56604299873612,
                    51.739823344196196
                ],
                [
                    1.566044436913,
                    51.742842273534094
                ],
                [
                    1.5649636434313299,
                    51.7457857042062
                ],
                [
                    1.56285462201044,
                    51.7485060119142
                ],
                [
                    1.5598229949744897,
                    51.750866737854004
                ],
                [
                    1.55602073325791,
                    51.75274944147189
                ],
                [
                    1.5516385453975599,
                    51.7540596522283
                ],
                [
                    1.5468963052700198,
                    51.7547316194153
                ],
                [
                    1.53789610767073,
                    51.75523153227859
                ],
                [
                    1.53303174911861,
                    51.75523153220159
                ],
                [
                    1.52828945665729,
                    51.7545595649191
                ],
                [
                    1.5239072204473598,
                    51.753249354134695
                ],
                [
                    1.38864500925316,
                    51.7822848105439
                ],
                [
                    1.38653428800639,
                    51.7850051016844
                ],
                [
                    1.40419584730099,
                    51.869963554509596
                ],
                [
                    1.4072374015232199,
                    51.8723233589231
                ],
                [
                    1.41023886442581,
                    51.875993510902
                ],
                [
                    1.41235632005722,
                    51.8787130582926
                ],
                [
                    1.41952288917418,
                    51.893713614720696
                ],
                [
                    1.4206100494707499,
                    51.8966565810185
                ],
                [
                    1.4206115008022397,
                    51.8996754293797
                ],
                [
                    1.4195269557195098,
                    51.9026187821871
                ],
                [
                    1.41741060430909,
                    51.9053390188864
                ],
                [
                    1.4143684352358998,
                    51.9076996839447
                ],
                [
                    1.4105529476201,
                    51.9095823394989
                ],
                [
                    1.40615551363073,
                    51.9108925170573
                ],
                [
                    1.40139677286074,
                    51.9115644672858
                ],
                [
                    1.39651554200769,
                    51.911564467176795
                ],
                [
                    1.39175680123374,
                    51.910892516736396
                ],
                [
                    1.38735936723509,
                    51.9095823389844
                ],
                [
                    1.38354387960237,
                    51.9076996832656
                ],
                [
                    1.38050171050204,
                    51.9053390180802
                ],
                [
                    1.37838535905217,
                    51.9026187812974
                ],
                [
                    1.37089077502343,
                    51.8911183494551
                ],
                [
                    1.36980650616262,
                    51.8881749909141
                ],
                [
                    1.36823419685778,
                    51.8839481031279
                ],
                [
                    1.3671501001531898,
                    51.881004741034
                ],
                [
                    1.36715154985079,
                    51.877985883059395
                ],
                [
                    1.3682382588160298,
                    51.875042907302
                ],
                [
                    1.37035554183923,
                    51.872323358248295
                ],
                [
                    1.34539110717848,
                    51.7952485526742
                ],
                [
                    1.30336376865507,
                    51.787059848194
                ],
                [
                    1.29861813979425,
                    51.7863878844031
                ],
                [
                    1.29423282084115,
                    51.7850776804162
                ],
                [
                    1.29042784292408,
                    51.783194986662494
                ],
                [
                    1.25456669794272,
                    51.7682467459781
                ],
                [
                    1.2197820164509598,
                    51.7560561238705
                ],
                [
                    1.21539963570267,
                    51.7547459134913
                ],
                [
                    1.2117400263940101,
                    51.753075823935596
                ],
                [
                    1.2079377375607,
                    51.7511931204003
                ],
                [
                    1.06969230025466,
                    51.7726611487563
                ],
                [
                    1.06665905598229,
                    51.7750218653297
                ],
                [
                    1.06285476530885,
                    51.77690456158759
                ],
                [
                    1.02566447197357,
                    51.7955219972809
                ],
                [
                    1.02185845687557,
                    51.7974046872767
                ],
                [
                    1.01747194231544,
                    51.7987148886752
                ],
                [
                    1.0127250194689799,
                    51.7993868511541
                ],
                [
                    1.0078559111758099,
                    51.7993868512056
                ],
                [
                    1.00310898832754,
                    51.798714888826495
                ],
                [
                    0.998722473765121,
                    51.7974046875185
                ],
                [
                    0.955727090992895,
                    51.777743632418805
                ],
                [
                    0.95192272971534,
                    51.775860936474196
                ],
                [
                    0.948889429169494,
                    51.7735002202633
                ],
                [
                    0.931228469110986,
                    51.7518293802592
                ],
                [
                    0.929119293143855,
                    51.749109074087194
                ],
                [
                    0.928038420559293,
                    51.7461656451054
                ],
                [
                    0.92803985900579,
                    51.74314671753059
                ],
                [
                    0.929123323583553,
                    51.740203672952404
                ],
                [
                    0.9383919921770599,
                    51.6998154944779
                ],
                [
                    0.9379060130157231,
                    51.6721635069959
                ],
                [
                    0.93358959257807,
                    51.64499263319669
                ],
                [
                    0.92843053423324,
                    51.622991907319005
                ],
                [
                    0.856618369492016,
                    51.5533960672669
                ],
                [
                    0.8144832198360961,
                    51.539045347498195
                ],
                [
                    0.81012170990945,
                    51.5377350910416
                ],
                [
                    0.806337386157168,
                    51.5358523213176
                ],
                [
                    0.803320057048415,
                    51.5334915116877
                ],
                [
                    0.801220977147579,
                    51.53077110641019
                ],
                [
                    0.800145271911078,
                    51.527827568787494
                ],
                [
                    0.80014669228189,
                    51.524808528262
                ]
            ]
        ]
    },
    "prev":117.0,
    "next":119.0,
    "links":[
        {
            "type":"application/json",
            "rel":"root",
            "title":"The landing page of this server as JSON",
            "href":"https://ogcapi.bgs.ac.uk?f=json"
        },
        {
            "type":"text/html",
            "rel":"root",
            "title":"The landing page of this server as HTML",
            "href":"https://ogcapi.bgs.ac.uk?f=html"
        },
        {
            "rel":"self",
            "type":"application/geo+json",
            "title":"This document as JSON",
            "href":"https://ogcapi.bgs.ac.uk/collections/offshore-survey-overview/items/118?f=json"
        },
        {
            "rel":"alternate",
            "type":"application/ld+json",
            "title":"This document as RDF (JSON-LD)",
            "href":"https://ogcapi.bgs.ac.uk/collections/offshore-survey-overview/items/118?f=jsonld"
        },
        {
            "rel":"alternate",
            "type":"text/html",
            "title":"This document as HTML",
            "href":"https://ogcapi.bgs.ac.uk/collections/offshore-survey-overview/items/118?f=html"
        },
        {
            "rel":"collection",
            "type":"application/json",
            "title":"Offshore Survey Overview",
            "href":"https://ogcapi.bgs.ac.uk/collections/offshore-survey-overview"
        },
        {
            "rel":"prev",
            "type":"application/json",
            "href":"https://ogcapi.bgs.ac.uk/collections/offshore-survey-overview/items/117?f=json"
        },
        {
            "rel":"next",
            "type":"application/json",
            "href":"https://ogcapi.bgs.ac.uk/collections/offshore-survey-overview/items/119?f=json"
        }
    ]
}