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Federal
National Bridge Inventory NGDA
Federal Geographic Data Committee —
The National Bridge Inventory dataset is as of June 20, 2025 from the Federal Highway Administration (FHWA) and is part of the U.S. Department of Transportation... -
Federal
Tropic of Cancer
National Oceanic and Atmospheric Administration, Department of Commerce —
The Tropic of Cancer lies at 23d 26' 22" (23.4394 degrees) north of the Equator and marks the most northerly latitude at which the sun can appear directly overhead at... -
Federal
Prime Meridian
National Oceanic and Atmospheric Administration, Department of Commerce —
The Prime Meridian is the meridian (line of longitude) at which the longitude is defined to be 0 degrees. The Prime Meridian and its opposite, the Antimeridian (at... -
Federal
SRTM30+ Global 1-km Digital Elevation Model (DEM): Version 11: Bathymetry: Hillshade
National Oceanic and Atmospheric Administration, Department of Commerce —
A global 1-km resolution bathymetric digital elevation model (DEM) grayscale hillshade of the ocean floor. Derived from the SRTM30+ v11 dataset produced at Scripps... -
Federal
Submarine Cable Areas - U.S. and Affiliated Territories
National Oceanic and Atmospheric Administration, Department of Commerce —
These data show the general location of commercial and research submarine cables within U.S. waters. The majority of these cables are for telecommunications, and the... -
Federal
Flood Hazard Zones - Guam
National Oceanic and Atmospheric Administration, Department of Commerce —
FEMA Flood Hazard Zones for Guam. -
Federal
USGS 10-m Digital Elevation Model (DEM): Hawaii: Big Island: Hillshade
National Oceanic and Atmospheric Administration, Department of Commerce —
A 10-meter resolution land surface digital elevation model (DEM) grayscale hillshade for Big Island in Hawaii derived from United States Geological Survey (USGS) 1/3... -
Federal
SRTM30+ Global 1-km Digital Elevation Model (DEM): Version 11: Land Surface: Hillshade
National Oceanic and Atmospheric Administration, Department of Commerce —
A global 1-km resolution land surface digital elevation model (DEM) grayscale hillshade. Derived from the SRTM30+ v11 dataset produced at Scripps Institution of... -
Federal
Aviation Facilities NGDA
Federal Geographic Data Committee —
The Aviation Facilities dataset is updated every 28 days from the Federal Aviation Administration (FAA) and is part of the U.S. Department of Transportation... -
Federal
Navigable Waterway Network Lines NGDA
Federal Geographic Data Committee —
The Navigable Waterway Network Lines dataset is periodically updated by the United States Army Corp of Engineers (USACE) and is part of the U.S. Department of... -
Federal
Species Distribution: False Killer Whale - Hawaii
National Oceanic and Atmospheric Administration, Department of Commerce —
This dataset contains a collection of known point locations of false killer whales identified either via automated satellite tracking of tagged organisms or through... -
Federal
Species Distribution: Tiger Shark - Hawaii
National Oceanic and Atmospheric Administration, Department of Commerce —
This dataset contains a collection of known point locations of tiger sharks identified via automated satellite tracking of tagged organisms. This can be useful for... -
Federal
National Transit Map Routes NGDA
Federal Geographic Data Committee —
The National Transit Map - Routes dataset was compiled on September 02, 2025 from the Bureau of Transportation Statistics (BTS) and is part of the U.S. Department of... -
Federal
Species Distribution: Hawaiian Monk Seal - Hawaii
National Oceanic and Atmospheric Administration, Department of Commerce —
This dataset contains a collection of known point locations of Hawaiian monk seals identified via automated satellite tracking of tagged organisms. This can be useful... -
Federal
Waterway Locks NGDA
Federal Geographic Data Committee —
The Waterway Locks dataset is periodically updated by the United States Army Corp of Engineers (USACE) and is part of the U.S. Department of Transportation... -
Federal
Midway Atoll National Wildlife Refuge - Hawaii
National Oceanic and Atmospheric Administration, Department of Commerce —
One of the few regions within the U.S. Fish and Wildlife Service (USFWS) National Wildlife Refuge System (NWRS) with a marine component, Midway Atoll is one of the... -
Federal
Species Distribution: Dolphins - Hawaii
National Oceanic and Atmospheric Administration, Department of Commerce —
This dataset contains a collection of known point locations of dolphins identified either via automated satellite tracking of tagged organisms or through direct human... -
Federal
Fish Aggregation Devices (FADs) - Hawaii
National Oceanic and Atmospheric Administration, Department of Commerce —
Location of fish aggregation device (FAD) buoys within the Main Hawaiian Islands. Fishermen in Hawaii and other parts of the world have long known that tunas and... -
Federal
Tropic of Capricorn
National Oceanic and Atmospheric Administration, Department of Commerce —
The Tropic of Capricorn lies at 23d 26' 22" (23.4394 degrees) south of the Equator and marks the most southerly latitude at which the sun can appear directly overhead...
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