• Organization: Department of the Interior
• Updated: 2024-09-30T00:00:00Z

This data shows the park's trails as of September 2024

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• Organization: Department of the Interior
• Updated: 2024-09-30T00:00:00Z

This dataset shows park lands, land ownership, easements, and boundary location as of September 2024

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• Organization: Department of the Interior
• Updated: 2024-09-30T00:00:00Z

This dataset contains park boundary monument locations, showing type and material of monuments.

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• Organization: Department of the Interior
• Updated: 2020-11-17T00:00:00Z

Bathymetric data were collected using a boat-mounted Wide Area Augmentation System (WAAS), a type of differential global positioning system, echo depth-sounding equipment, and computer software....

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• Organization: U.S. Census Bureau, Department of Commerce
• Updated: 2020-01-01T00:00:00.000+00:00

The TIGER/Line shapefiles and related database files (.dbf) are an extract of selected geographic and cartographic information from the U.S. Census Bureau's Master Address File / Topologically...

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• Organization: U.S. Census Bureau, Department of Commerce
• Updated: 2021-01-01T00:00:00.000+00:00

The TIGER/Line shapefiles and related database files (.dbf) are an extract of selected geographic and cartographic information from the U.S. Census Bureau's Master Address File / Topologically...

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• Organization: Department of the Interior
• Updated: 2020-11-10T00:00:00Z

Aeromagnetic data were collected along flight lines by instruments in an aircraft that recorded magnetic-field values and locations. This dataset presents latitude, longitude, altitude, and...

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• Organization: Department of the Interior
• Updated: 2025-01-24T00:00:00Z

From May 27 to June 21, 2024, a Virginia Tech team of 5 sampled the fish community in 30 streams spanning a gradient of the developed landscape, including Potomac River, Rappahannock River, and...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2016-08-01T00:00:00.000+00:00

These data were created as part of the National Oceanic and Atmospheric Administration Office for Coastal Management's efforts to create an online mapping viewer called the Sea Level Rise and...

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