{
  "accessLevel": "public",
  "bureauCode": [
    "010:12"
  ],
  "contactPoint": {
    "@type": "vcard:Contact",
    "fn": "Gregory K. Miller",
    "hasEmail": "mailto:gmiller@usgs.gov"
  },
  "description": "Single-beam bathymetry, magnetics, and gravity data along with transit satellite navigation data was collected as part of field activity L-9-81-AA in Aleutian Arc, Alaska from 07/19/1981 to 08/13/1981, http://walrus.wr.usgs.gov/infobank/l/l981aa/html/l-9-81-aa.meta.html\nThese data are reformatted from space-delimited ASCII text files located in the Coastal and Marine Geology Program (CMGP) InfoBank field activity catalog at http://walrus.wr.usgs.gov/infobank/l/l981aa/html/l-9-81-aa.bath.html http://walrus.wr.usgs.gov/infobank/l/l981aa/html/l-9-81-aa.grav.html http://walrus.wr.usgs.gov/infobank/l/l981aa/html/l-9-81-aa.mag.html into MGD77T format provided by the NOAA's National Geophysical Data Center(NGDC). The MGD77T format includes a header (documentation) file (.h77t) and a data file (.m77t). More information regarding this format can be found in the publication listed in the Cross_reference section of this metadata file.",
  "distribution": [
    {
      "@type": "dcat:Distribution",
      "accessURL": "http://www.ngdc.noaa.gov/mgg/trk/trackline/samuel_p._lee/l981aa/mgd77/",
      "description": "Landing page for access to the data",
      "format": "XML",
      "mediaType": "application/http",
      "title": "Digital Data"
    },
    {
      "@type": "dcat:Distribution",
      "description": "The metadata original format",
      "downloadURL": "https://data.usgs.gov/datacatalog/metadata/USGS.d9498f86-e298-4e57-aa9a-961085023398.xml",
      "format": "XML",
      "mediaType": "text/xml",
      "title": "Original Metadata"
    }
  ],
  "identifier": "http://datainventory.doi.gov/id/dataset/USGS_d9498f86-e298-4e57-aa9a-961085023398",
  "keyword": [
    "AK",
    "Alaska",
    "Aleutian Arc",
    "Aleutian Arc, Alaska",
    "Aleutians",
    "Marine Geology",
    "Marine Geophysics",
    "Marine Gravity",
    "Marine Magnetics",
    "Marine Seismic",
    "Seafloor Topography",
    "Single-beam Bathymetry",
    "USA",
    "USGS:d9498f86-e298-4e57-aa9a-961085023398",
    "Water Depth",
    "bathymetry",
    "bathymetry and elevation",
    "bathymetry measurement",
    "distributions",
    "geoscientificinformation",
    "gravimeter measurement",
    "gravimetry",
    "magnetic field observations",
    "magnetometer measurement",
    "marine geophysics",
    "oceans",
    "single-beam echo sounder"
  ],
  "modified": "2020-10-19T00:00:00Z",
  "publisher": {
    "@type": "org:Organization",
    "name": "U.S. Geological Survey"
  },
  "spatial": "173.58301, 50.11441, -165.99205, 54.08144",
  "theme": [
    "geospatial"
  ],
  "title": "l981aa.m77t - MGD77 data file for Geophysical data from field activity L-9-81-AA in Aleutian Arc, Alaska from 07/19/1981 to 08/13/1981"
}