{
  "type" : "Feature",
  "links" : [
    {
      "href" : "https://map.bgs.ac.uk/arcgis/rest/services/SDDS/Geology_625k/OGCFeatureServer/collections/1/items?f=application%2fjson",
      "rel" : "collection",
      "type" : "application/geo+json",
      "title" : "The collection document"
    },
    {
      "href" : "https://map.bgs.ac.uk/arcgis/rest/services/SDDS/Geology_625k/OGCFeatureServer/collections/1/items/473?f=json",
      "rel" : "self",
      "type" : "application/geo+json",
      "title" : "This document as JSON"
    },
    {
      "href" : "https://map.bgs.ac.uk/arcgis/rest/services/SDDS/Geology_625k/OGCFeatureServer/collections/1/items/473?f=text/html",
      "rel" : "alternate",
      "type" : "text/html",
      "title" : "This document as text/html"
    },
    {
      "href" : "https://map.bgs.ac.uk/arcgis/rest/services/SDDS/Geology_625k/OGCFeatureServer/collections/1/items/473?f=application/geo+json",
      "rel" : "alternate",
      "type" : "application/geo+json",
      "title" : "This document as application/geo+json"
    }
  ],
  "LayerId" : 1,
  "LayerName" : "Geology 625k Dykes",
  "id" : "473",
  "properties" : {
    "OBJECTID" : 473,
    "LEX" : "UISD",
    "LEX_D" : "UNNAMED IGNEOUS INTRUSION, LATE SILURIAN TO EARLY DEVONIAN",
    "LEX_RCS" : "UISD-MFIR",
    "RCS" : "MFIR",
    "RCS_X" : "MFIR",
    "RCS_D" : "MAFIC IGNEOUS-ROCK",
    "RANK" : "INTRUSION",
    "BED_EQ" : "UISD",
    "BED_EQ_D" : "UNNAMED IGNEOUS INTRUSION, LATE SILURIAN TO EARLY DEVONIAN",
    "MB_EQ" : "NoPar",
    "MB_EQ_D" : "No Parent",
    "FM_EQ" : "NoPar",
    "FM_EQ_D" : "No Parent",
    "SUBGP_EQ" : "NoPar",
    "SUBGP_EQ_D" : "No Parent",
    "GP_EQ" : "NoPar",
    "GP_EQ_D" : "No Parent",
    "SUPGP_EQ" : "NoPar",
    "SUPGP_EQ_D" : "No Parent",
    "MAX_TIME_D" : "LUDLOW",
    "MIN_TIME_D" : "EARLY DEVONIAN",
    "MAX_TIME_Y" : 423000000,
    "MIN_TIME_Y" : 391000000,
    "MAX_INDEX" : 1340299,
    "MIN_INDEX" : 1330399,
    "MAX_AGE" : " ",
    "MIN_AGE" : " ",
    "MAX_EPOCH" : "LUDLOW",
    "MIN_EPOCH" : "EARLY DEVONIAN",
    "MAX_SUBPER" : " ",
    "MIN_SUBPER" : " ",
    "MAX_PERIOD" : "SILURIAN",
    "MIN_PERIOD" : "DEVONIAN",
    "MAX_ERA" : "PALAEOZOIC",
    "MIN_ERA" : "PALAEOZOIC",
    "MAX_EON" : "PHANEROZOIC",
    "MIN_EON" : "PHANEROZOIC",
    "PREV_NAME" : " ",
    "BGSTYPE" : "625k_BEDROCK",
    "LEX_RCS_I" : "1340299_UISD-MFIR",
    "LEX_RCS_D" : "UNNAMED IGNEOUS INTRUSION, LATE SILURIAN TO EARLY DEVONIAN - MAFIC IGNEOUS-ROCK",
    "MAP_CODE" : "SD",
    "AGE_ONEGL" : "PALEOZOIC",
    "BGSREF" : 773,
    "BGSREF_LEX" : 773,
    "BGSREF_FM" : 773,
    "BGSREF_GP" : 773,
    "BGSREF_RK" : 773,
    "SHEET" : "625k_V5_Dykes",
    "VERSION" : "5.17",
    "RELEASED" : "11- 2-2008",
    "NOM_SCALE" : "625000",
    "NOM_OS_YR" : "2005 HC",
    "NOM_BGS_YR" : "2007",
    "MSLINK" : 18166,
    "SHAPE.AREA" : 0,
    "SHAPE.LEN" : 0
  },
  "geometry" : {
    "type" : "Polygon",
    "coordinates" : [
      [
        [
          -4.990673825999977,
          54.765342660999977
        ],
        [
          -4.9913837060000219,
          54.766925674999982
        ],
        [
          -4.991411568999979,
          54.766995366000003
        ],
        [
          -4.9914329879999855,
          54.767065808999973
        ],
        [
          -4.9917157209999914,
          54.768165887000009
        ],
        [
          -4.9917319859999907,
          54.768245286000024
        ],
        [
          -4.9917400720000273,
          54.768325093999977
        ],
        [
          -4.9917399579999824,
          54.768405040999994
        ],
        [
          -4.9917316379999761,
          54.768484849000004
        ],
        [
          -4.9915949109999929,
          54.769362218000026
        ],
        [
          -4.9915695949999872,
          54.76947299599999
        ],
        [
          -4.9915284869999823,
          54.769582175999972
        ],
        [
          -4.9898654589999865,
          54.773258673999976
        ],
        [
          -4.9897968070000047,
          54.773384806000024
        ],
        [
          -4.9897070920000033,
          54.773506431999976
        ],
        [
          -4.989597190999973,
          54.773622387999978
        ],
        [
          -4.9895493110000189,
          54.773662893999983
        ],
        [
          -4.9852824600000076,
          54.772974353999984
        ],
        [
          -4.9852817859999732,
          54.772969857000021
        ],
        [
          -4.9852841719999788,
          54.772837637000009
        ],
        [
          -4.9853089640000121,
          54.772706196000001
        ],
        [
          -4.9853559260000111,
          54.772576787999981
        ],
        [
          -4.986970293000013,
          54.769008733000021
        ],
        [
          -4.987064772999986,
          54.768402965000007
        ],
        [
          -4.9868411790000096,
          54.767532640000013
        ],
        [
          -4.9861488249999866,
          54.765988315000016
        ],
        [
          -4.9861046799999826,
          54.765865297000005
        ],
        [
          -4.990673825999977,
          54.765342660999977
        ]
      ]
    ]
  }
}