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    • This is a Non-Federal dataset covered by different Terms of Use than Data.gov.

    White Mountains airborne magnetic and radiometric geophysical survey

    Metadata Updated: October 4, 2025

    White Mountains airborne magnetic and radiometric geophysical survey, Geophysical Report 2021-3 v. 2, covers parts of Livengood, Circle, and Fairbanks quadrangles 25 kilometers km north of Fairbanks, Alaska. Magnetic and radiometric data were collected with a fixed-wing aircraft from June 30 to August 22, 2021, by MPX Geophysics Ltd. A total of 36,933 line kilometers were collected covering 13,423 square km. The magnetometer was mounted to a rear-facing fixed boom called tail stinger. The radiometric crystals were located in the cabin of the aircraft. The White Mountains survey was flown with a line spacing of 400 meters m and a mean ground clearance of 270 m. We updated this dataset in 2025 to refine processing, removing artifacts and excess noise present in the final products provided by the original contractor. The raw data were reprocessed by Baigent Geosciences. The International Geomagnetic Reference Field correction was recalculated accounting for aircraft height and the data were relevelled using Baigent Geosciences software. A complete and detailed report on the reprocessing steps undertaken is included in the publication documents. The result of the reprocessing is that leveling artifacts have been removed and the data now display finer features, including well-defined lineaments and other anomalies which were not present in the original contractor grids. The data, as well as additional metadata, are available from the DGGS website: http://doi.org/10.14509/31693.

    Access & Use Information

    Non-Federal: This dataset is covered by different Terms of Use than Data.gov. License: No license information was provided.

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    Dates

    Metadata Date September 29, 2025
    Metadata Created Date October 4, 2025
    Metadata Updated Date October 4, 2025
    Reference Date(s) January 1, 2025 (publication)
    Frequency Of Update notPlanned

    Metadata Source

    Harvested from Alaska Division of Geological and Geophysical Surveys

    Other Data Resources

    Additional Metadata

    Resource Type Dataset
    Metadata Date September 29, 2025
    Metadata Created Date October 4, 2025
    Metadata Updated Date October 4, 2025
    Reference Date(s) January 1, 2025 (publication)
    Responsible Party Alaska Division of Geological & Geophysical Surveys (Point of Contact)
    Contact Email
    Guid df820bad-6653-4562-a2f3-34c9f38f2b26_source
    Access Constraints Use Constraints: Any hard copies or published datasets utilizing these datasets shall clearly indicate their source. If the user has modified the data in any way, the user is obligated to describe the types of modifications the user has made. The user specifically agrees not to misrepresent these datasets, nor to imply that changes made by the user were approved by the State of Alaska, Department of Natural Resources, Division of Geological & Geophysical Surveys. The State of Alaska makes no express or implied warranties (including warranties for merchantability and fitness) with respect to the character, functions, or capabilities of the electronic data or products or their appropriateness for any user's purposes. In no event will the State of Alaska be liable for any incidental, indirect, special, consequential, or other damages suffered by the user or any other person or entity whether from the use of the electronic services or products or any failure thereof or otherwise. In no event will the State of Alaska's liability to the Requestor or anyone else exceed the fee paid for the electronic service or product., Access Constraints: This report, map, and/or dataset is available directly from the State of Alaska, Department of Natural Resources, Division of Geological & Geophysical Surveys (see contact information below).
    Bbox East Long -144.920973
    Bbox North Lat 66.008700
    Bbox South Lat 64.955577
    Bbox West Long -149.501098
    Coupled Resource
    Frequency Of Update notPlanned
    Harvest Object Id df820bad-6653-4562-a2f3-34c9f38f2b26
    Harvest Source Id 8f77b6d5-f630-4995-bdf3-0aee7158a7f3
    Harvest Source Title Alaska Division of Geological and Geophysical Surveys
    Licence The State of Alaska makes no expressed or implied warranties (including warranties for merchantability and fitness) with respect to the character, functions, or capabilities of the electronic data or products or their appropriateness for any user's purposes. In no event will the State of Alaska be liable for any incidental, indirect, special, consequential, or other damages suffered by the user or any other person or entity whether from the use of the electronic services or products or any failure thereof or otherwise. In no event will the State of Alaska's liability to the Requestor or anyone else exceed the fee paid for the electronic service or product.
    Lineage This lineage was generated by the FGDC CSDGM to 19139 transformation
    Metadata Language eng; USA
    Metadata Type geospatial
    Old Spatial {"type": "Polygon", "coordinates": [[[-149.501098, 64.955577], [-144.920973, 64.955577], [-144.920973, 66.0087], [-149.501098, 66.0087], [-149.501098, 64.955577]]]}
    Progress completed
    Spatial Data Service Type
    Spatial Reference System
    Spatial Harvester True
    Temporal Extent Begin 2021-01-01
    Temporal Extent End 2025-01-01

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