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Federal
Administrative Boundaries Centroids of National Park System Units NGDA
Department of the Interior —
National Park Service unit points. -
Federal
National Land Cover Database (NLCD) All Land Cover Science Products (ver. 2.0, June 2021)
Department of the Interior —
The U.S. Geological Survey (USGS), in partnership with several federal agencies, has developed and released five National Land Cover Database (NLCD) products over the... -
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
Satellite Ocean Heat Content Suite
National Oceanic and Atmospheric Administration, Department of Commerce —
This collection contains an operational Satellite Ocean Heat Content Suite (SOHCS) product generated by NOAA National Environmental Satellite, Data, and Information... -
Federal
World Ocean Atlas 2023
National Oceanic and Atmospheric Administration, Department of Commerce —
World Ocean Atlas 2023 (WOA23) is a set of objectively analyzed (one degree grid and quarter degree grid) climatological fields of in situ temperature, salinity,... -
Federal
Gridded Population of the World, Version 4 (GPWv4): Population Count, Revision 11
National Aeronautics and Space Administration —
The Gridded Population of the World, Version 4 (GPWv4): Population Count, Revision 11 consists of estimates of human population (number of persons per pixel),... -
Census Tracts in 2010
District of Columbia —
The TIGER/Line Files are shapefiles and related database files (.dbf) that are an extract of selected geographic and cartographic information from the U.S. Census... -
City
FEMA Flood Zones
City of Hartford —
According to FEMA the definition of a flood zone is a "geographic areas that FEMA has defined according to varying levels of flood risk and type of flooding. These... -
Federal
RCRA Generators
U.S. Environmental Protection Agency —
EPA regulates hazardous waste under the Resource Conservation and Recovery Act (RCRA) to ensure these wastes are managed in ways that protect human health and the... -
Federal
Quality-controlled sea surface marine physical, meteorological and other in situ measurements from the NCEI Surface Underway Marine Database (NCEI-SUMD)
National Oceanic and Atmospheric Administration, Department of Commerce —
This collection contains global in-situ sea surface underway measurements from the NOAA NCEI Surface Underway Marine Database (NCEI-SUMD, formerly the NCEI... -
Federal
TIGER/Line Shapefile, 2022, State, Florida, FL, Census Tract
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... -
DC Crime Cards
District of Columbia —
An interactive public crime mapping application providing DC residents and visitors easy-to-understand data visualizations of crime locations, types and trends across... -
City
Census 2020 Block Group
City of Hartford —
The United States Census Bureau defines a Block Group as a "statistical divisions of census tracts, are generally defined to contain between 600 and 3,000 people, and... -
Federal
North American Rail Network Lines - Class I Freight Railroads View
Department of Transportation —
The North American Rail Network (NARN) Rail Lines: Class I Freight Railroads View dataset is from the Federal Railroad Administration (FRA) and is part of the U.S.... -
Federal
Coastal Digital Elevation Models (DEMs)
National Oceanic and Atmospheric Administration, Department of Commerce —
Digital elevation models (DEMs) of U.S. and other coasts that typically integrate ocean bathymetry and land topography. The DEMs support NOAA's mission to understand... -
Federal
Big Bend National Park Tract and Boundary Data
Department of the Interior —
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... -
Federal
Digital Geologic-GIS Map of Yellowstone National Park and Vicinity, Wyoming, Montana, and Idaho (NPS, GRD, GRI, YELL, YELL digital map) adapted from U.S. Geological Survey published and unpublished maps and digital data (1956-2007), a Montana Bureau of Mines and Geology Open-File Reports map by Berg et al. (1999), and a Montana State University unpublished master's thesis map by Kragh, N. and M. Myers (2023)
Department of the Interior —
The Digital Geologic-GIS Map of Yellowstone National Park and Vicinity, Wyoming, Montana, and Idaho is composed of GIS data layers and GIS tables, and is available in... -
Federal
Mount Rainer National Park Tract and Boundary Data
Department of the Interior —
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... -
Federal
Hydrographic and Impairment Statistics Database: SAMO
Department of the Interior —
Hydrographic and Impairment Statistics (HIS) is a National Park Service (NPS) Water Resources Division (WRD) project established to track certain goals created in...