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    • Airborne geophysical survey: Ruby

    Metadata Updated: October 28, 2025

    Aeromagnetic data were collected along flight lines by instruments in an aircraft that recorded magnetic-field intensity values and location. In surveys such as this one where the data were originally collected in digital form and not digitized from contour maps, the information we provide typically includes latitude, longitude, magnetic anomaly in nanoTeslas, and intermediate values used to derive the magnetic anomaly such as total magnetic field.

    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 September 12, 2025
    Metadata Updated Date October 28, 2025

    Metadata Source

    Harvested from DOI USGS DCAT-US

    Other Data Resources

    Additional Metadata

    Resource Type Dataset
    Metadata Created Date September 12, 2025
    Metadata Updated Date October 28, 2025
    Publisher U.S. Geological Survey
    Maintainer
    Identifier http://datainventory.doi.gov/id/dataset/usgs-5333a057-2531-4b22-a6cb-cab731ee438f
    Data Last Modified 2020-11-10T00:00:00Z
    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
    Harvest Object Id f6a674d1-8baf-4221-9600-07fd621133a3
    Harvest Source Id 2b80d118-ab3a-48ba-bd93-996bbacefac2
    Harvest Source Title DOI USGS DCAT-US
    Metadata Type geospatial
    Old Spatial -156.03750610352, 63.97749710083, -154.47749328613, 65.017501831055
    Source Datajson Identifier True
    Source Hash ed97988a8d33bf51729ee707324188439691f5d23ef34759158ed6ababdf90c1
    Source Schema Version 1.1
    Spatial {"type": "Polygon", "coordinates": -156.03750610352, 63.97749710083, -156.03750610352, 65.017501831055, -154.47749328613, 65.017501831055, -154.47749328613, 63.97749710083, -156.03750610352, 63.97749710083}

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