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    • Portsmouth Naval Yard Sediment Data (JOHNSTON94 shapefile)

    Metadata Updated: January 22, 2026

    The sediment data presented in this data layer were from an ecological study sited near the Portsmouth Naval Shipyard, Kittery, Maine. The analog data were originally converted into digital form for inclusion in a Gulf of Maine Contaminated Sediments Database.

    Access & Use Information

    Public: This dataset is intended for public access and use. License: No license information was provided. If this work was prepared by an officer or employee of the United States government as part of that person's official duties it is considered a U.S. Government Work.

    Downloads & Resources

    Dates

    Metadata Created Date January 13, 2026
    Metadata Updated Date January 22, 2026

    Metadata Source

    Harvested from DOI USGS DCAT-US

    Other Data Resources

    Additional Metadata

    Resource Type Dataset
    Metadata Created Date January 13, 2026
    Metadata Updated Date January 22, 2026
    Publisher U.S. Geological Survey
    Maintainer
    Identifier http://datainventory.doi.gov/id/dataset/USGS_80863d61-227a-494f-9640-61bbb577c363
    Data Last Modified 2021-11-16T00:00:00Z
    Category geospatial
    Public Access Level public
    Bureau Code 010:12
    Metadata Context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
    Metadata Catalog ID https://ddi.doi.gov/usgs-data.json
    Schema Version https://project-open-data.cio.gov/v1.1/schema
    Catalog Describedby https://project-open-data.cio.gov/v1.1/schema/catalog.json
    Datagov Dedupe Retained 20260122055112
    Harvest Object Id 973191d4-b2bb-4137-ab47-e0269148b993
    Harvest Source Id 2b80d118-ab3a-48ba-bd93-996bbacefac2
    Harvest Source Title DOI USGS DCAT-US
    Metadata Type geospatial
    Old Spatial {"type": "Polygon", "coordinates": -70.764028, 43.068194, -70.764028, 43.134639, -70.640972, 43.134639, -70.640972, 43.068194, -70.764028, 43.068194}
    Source Datajson Identifier True
    Source Hash 6599c80add1ebadcb28db9b0d4e54a6056e902e81b40006559ecb2f8ee58362d
    Source Schema Version 1.1
    Spatial {"type": "Polygon", "coordinates": -70.764028, 43.068194, -70.764028, 43.134639, -70.640972, 43.134639, -70.640972, 43.068194, -70.764028, 43.068194}

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