• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2020-01-01T00:00:00.000+00:00

These data provide an accurate high-resolution shoreline compiled from imagery of COLORADO RIVER TO BAY CITY, TX . This vector shoreline data is based on an office interpretation of imagery that...

• none
• none
• none
• none
• none

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 1992-01-01T00:00:00.000+00:00

In order to determine the current status of and detect any long-term trends in the environmental quality of U.S. nearshore waters, NOAA initiated the National Status and Trends program in 1984...

• none

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 1992-01-01T00:00:00.000+00:00

The National Status and Trends (NS&T) Benthic Surveillance Project Chemistry data file reports the trace concentrations of a suite of chemical contaminants in marine sediment and benthic fish...

• none

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 1992-01-01T00:00:00.000+00:00

This data set reports information regarding the nominal sampling locations for the National Status and Trends Benthic Surveillance Project sites. One record is presented per site. Each record...

• none

• Organization: Department of the Interior
• Updated: 2026-01-05T00:00:00Z

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...

• xml
• xml

• Organization: Department of the Interior
• Updated: 2026-01-20T00:00:00Z

National Park Service Unit tract polygons

• zip
• zip
• xml

• Organization: Department of the Interior
• Updated: 2026-02-05T00:00:00Z

National Park Service unit points.

• xml
• zip
• zip

• Organization: Federal Geographic Data Committee
• Updated: 2019-09-30

National Park Service unit boundaries.

• zip

• Organization: National Aeronautics and Space Administration
• Updated: 2025-03-31

AIRSAR topographic SAR digital elevation model C_Stokes product

• html

• Organization: National Aeronautics and Space Administration
• Updated: 2025-03-31

AIRSAR topographic SAR digital elevation model PTIF product

• html

• Organization: National Aeronautics and Space Administration
• Updated: 2025-03-31

AIRSAR topographic SAR digital elevation model product

• html

• Organization: National Aeronautics and Space Administration
• Updated: 2025-03-31

AIRSAR topographic SAR digital elevation model CTIF product

• html

• Organization: National Aeronautics and Space Administration
• Updated: 2025-03-31

AIRSAR topographic SAR digital elevation model P_Stokes product

• html

• Organization: National Aeronautics and Space Administration
• Updated: 2025-03-31

AIRSAR topographic SAR digital elevation model L_Stokes product

• html

• Organization: National Aeronautics and Space Administration
• Updated: 2025-04-01

AIRSAR topographic SAR digital elevation model LTIF product

• html

• Organization: National Aeronautics and Space Administration
• Updated: 2025-04-01

AIRSAR three-frequency polarimetric frame product

• html