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• Organization: Department of the Interior
• Updated: 2011-05-01 | Harvested: June 25, 2025 at 07:50 PM

The files linked to this reference are the geospatial data created as part of the completion of the baseline vegetation inventory project for Abraham Lincoln Birthplace National Historic Site. ...

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• Organization: Department of the Interior
• Updated: 2007-10-03 | Harvested: June 25, 2025 at 08:32 PM

These ESRI shape files are of National Park Service tract and boundary data that was created by the Land Resources Division. Tracts are numbered and created by the regional cartographic staff at...

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• Organization: Department of the Interior
• Updated: 2025-07-14 | Harvested: July 17, 2025 at 03:37 PM

National Park Service unit points.

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• Organization: Department of the Interior
• Updated: 2025-04-02 | Harvested: June 25, 2025 at 09:30 PM

National Park Service unit points.

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• Organization: Department of the Interior
• Updated: 2025-09-08 | Harvested: September 10, 2025 at 08:19 PM

Ozone is a naturally occurring gas that can also be generated in reactions with anthropogenically created nitrogen oxides. While stratospheric ozone prevents ultraviolet radiation from making its...

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• Organization: Department of the Interior
• Updated: 2025-05-29 | Harvested: June 25, 2025 at 08:37 PM

Hydrographic and Impairment Statistics (HIS) is a National Park Service (NPS) Water Resources Division (WRD) project established to track certain goals created in response to the Government...

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