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• Organization: Department of the Interior
• Dataset Last Updated: May 18, 2025 at 12:00 AM

U.S. Geological Survey researchers conducted time-series ground-penetrating radar (GPR) surveys with a Sensors and Software 500-MHz Pulse Ekko Pro system. This data release contains ground-based...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Dataset Last Updated: August 10, 2021 at 12:00 AM

The National Oceanic and Atmospheric Administration (NOAA) has the statutory mandate to collect hydrographic data in support of nautical chart compilation for safe navigation and to provide...

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