• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2021-01-01T00:00:00.000+00:00

These data were automated to provide an accurate high-resolution historical shoreline of Lynn Harbor Bay and Vicinity, Virginia suitable as a geographic information system (GIS) data layer. These...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2025-07-16T14:19:39.000+00:00

This data layer represents the 12 uniquely identified stocks of harbor seals found in Alaskan waters. Stocks were identified by NMFS and their co-management partners, the Alaska Native Harbor Seal...

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• Organization: Department of the Interior
• Updated: 2024-03-18T00:00:00Z

These data are qualitatively derived interpretive polygon shapefiles defining sediment type and distribution, and physiographic zones of the sea floor from Nahant to Salisbury, Massachusetts. Many...

• xml
• xml

• Organization: Department of the Interior
• Updated: 2024-03-18T00:00:00Z

These data are qualitatively derived interpretive polygon shapefiles defining sediment type and distribution, and physiographic zones of the sea floor from Nahant to Salisbury, Massachusetts. Many...

• xml
• xml

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2025-03-26T00:00:00.000+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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• +8 more