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National Park Service Unit Centroid Points.
Search relevance: 1.00 | Views last month: 25 | Catalog Last Checked: August 01, 2026 at 04:09 AM -
The Digital Geologic-GIS Map of Mammoth Cave National Park and Vicinity, Kentucky is composed of GIS data layers and GIS tables, and is available in the following GRI-supported GIS data formats:...
Search relevance: 1.00 | Views last month: 19 | Catalog Last Checked: August 01, 2026 at 03:54 AM -
National Park Service unit boundaries.
Search relevance: 1.00 | Views last month: 16 | Catalog Last Checked: August 03, 2026 at 08:35 AM -
Comma-separated values (.csv) file containing data related to mercury and biogeochemical parameters in surface water and aquatic sediment collected from U.S. National Parks in 2014-2015.
Search relevance: 1.00 | Views last month: 13 | Catalog Last Checked: August 01, 2026 at 06:09 AM -
National Park Service Unit tract polygons
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Comma-separated values (.csv) files containing data related to a National-scale assessment of mercury bioaccumulation in the US National Parks using dragonfly larvae as biosentinels through a...
Search relevance: 1.00 | Views last month: 10 | Catalog Last Checked: August 01, 2026 at 04:41 AM -
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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This dataset details mercury (Hg) stable isotope values in dragonflies and fish tissues collected across U.S. National Parks. Dragonfly samples were collected as part of the Dragonfly Mercury...
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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...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: August 01, 2026 at 04:56 AM -
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...
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: August 01, 2026 at 04:06 AM -
The Digital Geologic-GIS Map of the Austin Quadrangle, Kentucky is composed of GIS data layers and GIS tables, and is available in the following GRI-supported GIS data formats: 1.) a 10.1 file...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: August 01, 2026 at 03:54 AM -
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...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: August 01, 2026 at 04:01 AM -
The Digital Geologic-GIS Map of the Summer Shade Quadrangle, Kentucky is composed of GIS data layers and GIS tables, and is available in the following GRI-supported GIS data formats: 1.) a 10.1...
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: August 01, 2026 at 03:54 AM -
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...
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: August 01, 2026 at 04:06 AM -
The Digital Geologic-GIS Map of the Canmer Quadrangle, Kentucky is composed of GIS data layers and GIS tables, and is available in the following GRI-supported GIS data formats: 1.) a 10.1 file...
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: August 01, 2026 at 04:01 AM -
The Digital Geologic-GIS Map of the Park City Quadrangle, Kentucky is composed of GIS data layers and GIS tables, and is available in the following GRI-supported GIS data formats: 1.) a 10.1 file...
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: August 01, 2026 at 04:02 AM -
The Digital Geologic-GIS Map of the Mammoth Cave Quadrangle, Kentucky is composed of GIS data layers and GIS tables, and is available in the following GRI-supported GIS data formats: 1.) a 10.1...
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: August 01, 2026 at 04:02 AM -
The Digital Geologic-GIS Map of the Park Quadrangle, Kentucky is composed of GIS data layers and GIS tables, and is available in the following GRI-supported GIS data formats: 1.) a 10.1 file...
Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: August 01, 2026 at 04:02 AM -
The Digital Geologic-GIS Map of the Magnolia Quadrangle, Kentucky is composed of GIS data layers and GIS tables, and is available in the following GRI-supported GIS data formats: 1.) a 10.1 file...
Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: August 01, 2026 at 04:02 AM -
The Digital Geologic-GIS Map of the Glasgow North Quadrangle, Kentucky is composed of GIS data layers and GIS tables, and is available in the following GRI-supported GIS data formats: 1.) a 10.1...
Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: August 01, 2026 at 04:01 AM