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    • Helicopter electromagnetic and magnetic survey data and maps, northern Bexar County, Texas

    Metadata Updated: January 22, 2026

    Flight-line data release for a helicopter electromagnetic (HEM) and magnetic geophysical survey flown in early December 2003, in Northern Bexar County, Texas. The U.S. Geological Survey (USGS) contracted the survey to Fugro Airborne of Toronto, Canada. Data include coordinates in UTM zone 14 meters, longitude and latitude WGS84, and latitude and longitude (degrees, minutes, and decimal seconds) NAD27.

    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 11, 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 11, 2026
    Metadata Updated Date January 22, 2026
    Publisher U.S. Geological Survey
    Maintainer
    Identifier http://datainventory.doi.gov/id/dataset/USGS_7f841074-dc2e-4e33-a666-eb13b2df9f40
    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
    Datagov Dedupe Retained 20260122055112
    Harvest Object Id d687e9a1-6823-4920-bdee-86104c339cdc
    Harvest Source Id 2b80d118-ab3a-48ba-bd93-996bbacefac2
    Harvest Source Title DOI USGS DCAT-US
    Metadata Type geospatial
    Old Spatial {"type": "Polygon", "coordinates": -98.805611, 29.110394, -98.805611, 29.760637, -98.119263, 29.760637, -98.119263, 29.110394, -98.805611, 29.110394}
    Source Datajson Identifier True
    Source Hash 3f18ae426359068eaa90817439cc81f6e8a41794f294bc650f1d8a5f5e585d1f
    Source Schema Version 1.1
    Spatial {"type": "Polygon", "coordinates": -98.805611, 29.110394, -98.805611, 29.760637, -98.119263, 29.760637, -98.119263, 29.110394, -98.805611, 29.110394}

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