• Organization: Department of the Interior
• Updated: 2025-05-18T00:00:00Z

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
• Updated: 2000-11-11T00:00:00.000+00:00

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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• Organization: Department of the Interior
• Updated: 2026-01-05T00:00:00Z

Comma-separated values (.csv) file containing data related to mercury concentrations in dragonfly samples from U.S. National Parks, Protected Places, and other federal lands collected as part of...

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