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Federal
TIGER/Line Shapefile, 2023, Nation, U.S., International Boundaries (national)
U.S. Census Bureau, Department of Commerce —
The international boundary data featured in this shapefile consists of the boundary between the United States and Canada and the United States and Mexico. Each... -
Federal
Seismic Water Bottom Anomalies NGDA
Department of the Interior —
MetadataSymbology (.lyrx)Since 1998, geoscientists at the Bureau of Ocean Energy Management (BOEM) have identified and mapped water bottom (seafloor) acoustic... -
Federal
EMAG2v3: Earth Magnetic Anomaly Grid (2-arc-minute resolution)
National Oceanic and Atmospheric Administration, Department of Commerce —
EMAG2v3 is a global Earth Magnetic Anomaly Grid compiled from satellite, ship, and airborne magnetic measurements. It is a significant update of the previous release... -
Federal
Maritime Limits and Boundaries of United States of America NGDA
National Oceanic and Atmospheric Administration, Department of Commerce —
NOAA is responsible for depicting on its nautical charts the limits of the 12 nautical mile Territorial Sea, 24 nautical mile Contiguous Zone, and 200 nautical mile... -
Federal
EnviroAtlas - 303(d) Impairments by 12-digit HUC for the Conterminous United States
U.S. Environmental Protection Agency —
This EnviroAtlas dataset depicts the total length of stream or river flowlines that have impairments submitted to the EPA by states under section 303(d) of the Clean... -
Federal
TIGER/Line Shapefile, 2023, County, Shenandoah County, VA, Area Hydrography
U.S. Census Bureau, Department of Commerce —
The TIGER/Line shapefiles and related database files (.dbf) are an extract of selected geographic and cartographic information from the U.S. Census Bureau's Master... -
Federal
TIGER/Line Shapefile, 2023, County, New York County, NY, Area Hydrography
U.S. Census Bureau, Department of Commerce —
The TIGER/Line shapefiles and related database files (.dbf) are an extract of selected geographic and cartographic information from the U.S. Census Bureau's Master... -
Federal
NOAA/WDS Paleoclimatology - The International Tree-Ring Data Bank (ITRDB) Revisited
National Oceanic and Atmospheric Administration, Department of Commerce —
This archived Paleoclimatology Study is available from the NOAA National Centers for Environmental Information (NCEI), under the World Data Service (WDS) for... -
Federal
EnviroAtlas - Agricultural Water Demand by 12-Digit HUC for the Conterminous United States
U.S. Environmental Protection Agency —
The national agricultural water demand metric provides insight into the amount of water used for agricultural irrigation in the contiguous United States. The... -
Federal
Shipping Fairways, Lanes, and Zones for US waters
National Oceanic and Atmospheric Administration, Department of Commerce —
Various shipping zones delineate activities and regulations for marine vessel traffic. Traffic lanes define specific traffic flow, while traffic separation zones... -
Federal
Outer Continental Shelf Oil and Natural Gas Wells - Gulf of Mexico Region NAD 27 NGDA
Department of the Interior —
This data set contains surface locations for oil and gas wells located in the Gulf of Mexico federal waters. Note: Wells are being added or modified continuously;... -
Federal
Offshore Oil and Gas Platforms
National Oceanic and Atmospheric Administration, Department of Commerce —
These data show the location for oil and gas platforms located in the state and federal waters of the United States. Generally, this data set does not show platforms... -
Federal
OCS Gulf of Mexico NAD27 Block Polygons - 2nd Division NGDA
Department of the Interior —
This is a national data collection of data resources managed by the Bureau of Ocean Energy Management (BOEM) for the Outer Continental Shelf (OCS). The data... -
Federal
AIS Vessel Transit Counts 2024
National Oceanic and Atmospheric Administration, Department of Commerce —
Automatic Identification Systems (AIS) are a navigation safety device that transmits and monitors the location and characteristics of many vessels in U.S. and... -
Federal
National Environmental Policy Act
National Oceanic and Atmospheric Administration, Department of Commerce —
The National Environmental Policy Act (NEPA) was the first major environmental law in the United States and established national environmental policies for the...