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    • b172sc.m77t - MGD77 data file for Geophysical data from field activity B-1-72-SC in Central California from 11/11/1972 to 11/15/1972

    Metadata Updated: January 22, 2026

    Single-beam bathymetry, gravity, and magnetics data along with transit satellite navigation data was collected as part of field activity B-1-72-SC in Central California from 11/11/1972 to 11/15/1972, http://walrus.wr.usgs.gov/infobank/b/b172sc/html/b-1-72-sc.meta.html These 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/b/b172sc/html/b-1-72-sc.bath.html http://walrus.wr.usgs.gov/infobank/b/b172sc/html/b-1-72-sc.grav.html and http://walrus.wr.usgs.gov/infobank/b/b172sc/html/b-1-72-sc.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.

    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 12, 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 12, 2026
    Metadata Updated Date January 22, 2026
    Publisher U.S. Geological Survey
    Maintainer
    Identifier http://datainventory.doi.gov/id/dataset/USGS_fa58c1e7-2caf-45b8-b627-615a230aa05a
    Data Last Modified 2020-10-19T00:00:00Z
    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 20260122132010
    Harvest Object Id 31cda2b0-ba40-4dcb-abc2-5aadf74bfcf9
    Harvest Source Id 2b80d118-ab3a-48ba-bd93-996bbacefac2
    Harvest Source Title DOI USGS DCAT-US
    Metadata Type geospatial
    Old Spatial {"type": "Polygon", "coordinates": -123.65249, 32.40505, -123.65249, 37.71533, -117.38731, 37.71533, -117.38731, 32.40505, -123.65249, 32.40505}
    Source Datajson Identifier True
    Source Hash 6c3223027dbbc97020269d5ff6f4d568612b34e34fd928b51909014188acf3b4
    Source Schema Version 1.1
    Spatial {"type": "Polygon", "coordinates": -123.65249, 32.40505, -123.65249, 37.71533, -117.38731, 37.71533, -117.38731, 32.40505, -123.65249, 32.40505}

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