• Organization: U.S. Environmental Protection Agency
• Updated: 2012-01-01T00:00:00.000+00:00

Ecoregions denote areas of general similarity in ecosystems and in the type, quality, and quantity of environmental resources. The ecoregions of Alaska are a framework for organizing and...

• Organization: U.S. Environmental Protection Agency
• Updated: 2021-09-22T00:00:00.000+00:00

These data provide mapping, display, and analysis capabilities for the TRI National Analysis data at the following geographic levels: state, county, large aquatic ecosystem, metro/micropolitan...

• Organization: National Archives and Records Administration
• Updated: 2016-02-25

This dataset provides information about more than 11,000 proposed Constitutional amendments introduced in the United States Congress from 1787 to 2014. This dataset is a compilation of information...

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• csv

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2013-12-18T00:00:00.000+00:00

Storm Data is provided by the National Weather Service (NWS) and contain statistics on personal injuries and damage estimates. Storm Data covers the United States of America. The data began as...

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• Organization: Department of Agriculture
• Updated: 2025-11-21

The Weevils of North America (WoNA) (http://symbiota4.acis.ufl.edu/scan/portal/checklists/checklist.php?cl=1) is an emerging resource for occurrence information, habitus photographs, legacy...

• html

• Organization: Department of the Interior
• Updated: 2021-11-04T00:00:00Z

Coccidioides immitis and Coccidioides posadasii are causative agents of Valley fever, a serious fungal disease endemic to regions with hot, arid climate in the United States, Mexico, and Central...

• xml
• xml

• Organization: Department of Justice
• Updated: 2018-05-15T07:37:06

These data are part of NACJD's Fast Track Release and are distributed as they were received from the data depositor. The files have been zipped by NACJD for release, but not checked or processed...

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• Organization: Department of the Interior
• Updated: 2023-07-19T00:00:00Z

'The U.S. Geological Survey (USGS) has a long history of involvement in multi-scale, and multi-temporal land cover characterization and mapping of the world. During the 1970\'s, the Anderson...

• xml
• xml

• Organization: Department of Energy
• Updated: 2025-08-07T20:11:45Z

A shapefile of annual average wind resource potential for Alaska, United States at a 50 meter height (note: we do not have a complete 50m coverage for the entire state). This data set has been...

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• html
• pdf
• html
• zip

• Organization: U.S. Environmental Protection Agency
• Updated: 2012-01-01T00:00:00.000+00:00

Ecoregions by state were extracted from the seamless national shapefile. Ecoregions denote areas of general similarity in ecosystems and in the type, quality, and quantity of environmental...

• Organization: U.S. Environmental Protection Agency
• Updated: 2012-01-01T00:00:00.000+00:00

Ecoregions by state were extracted from the seamless national shapefile. Ecoregions denote areas of general similarity in ecosystems and in the type, quality, and quantity of environmental...

• Organization: U.S. Environmental Protection Agency
• Updated: 2012-01-01T00:00:00.000+00:00

Ecoregions by state were extracted from the seamless national shapefile. Ecoregions denote areas of general similarity in ecosystems and in the type, quality, and quantity of environmental...

• Organization: U.S. Environmental Protection Agency
• Updated: 2012-01-01T00:00:00.000+00:00

Ecoregions by state were extracted from the seamless national shapefile. Ecoregions denote areas of general similarity in ecosystems and in the type, quality, and quantity of environmental...

• Organization: U.S. Environmental Protection Agency
• Updated: 2012-01-01T00:00:00.000+00:00

Ecoregions by state were extracted from the seamless national shapefile. Ecoregions denote areas of general similarity in ecosystems and in the type, quality, and quantity of environmental...

• Organization: U.S. Environmental Protection Agency
• Updated: 2012-01-01T00:00:00.000+00:00

Ecoregions by state were extracted from the seamless national shapefile. Ecoregions denote areas of general similarity in ecosystems and in the type, quality, and quantity of environmental...

• Organization: U.S. Environmental Protection Agency
• Updated: 2012-01-01T00:00:00.000+00:00

Ecoregions by state were extracted from the seamless national shapefile. Ecoregions denote areas of general similarity in ecosystems and in the type, quality, and quantity of environmental...

• Organization: U.S. Environmental Protection Agency
• Updated: 2012-01-01T00:00:00.000+00:00

Ecoregions by state were extracted from the seamless national shapefile. Ecoregions denote areas of general similarity in ecosystems and in the type, quality, and quantity of environmental...

• Organization: U.S. Environmental Protection Agency
• Updated: 2012-01-01T00:00:00.000+00:00

Ecoregions by state were extracted from the seamless national shapefile. Ecoregions denote areas of general similarity in ecosystems and in the type, quality, and quantity of environmental...

• Organization: U.S. Environmental Protection Agency
• Updated: 2012-01-01T00:00:00.000+00:00

Ecoregions by state were extracted from the seamless national shapefile. Ecoregions denote areas of general similarity in ecosystems and in the type, quality, and quantity of environmental...

• Organization: U.S. Environmental Protection Agency
• Updated: 2012-01-01T00:00:00.000+00:00

Ecoregions by state were extracted from the seamless national shapefile. Ecoregions denote areas of general similarity in ecosystems and in the type, quality, and quantity of environmental...