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    FederalUSGS Water-Quality Data for the Nation - National Water Information System (NWIS)Department of the Interior — The USGS compiles online access to water-resources data collected at approximately 1.5 million sites in all 50 States, the District of Columbia, Puerto Rico, the...
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    FederalUSGS Water Use Data for the Nation - National Water Information System (NWIS)Department of the Interior — The U.S. Geological Survey's National Water-Use Information Program is responsible for compiling and disseminating the nation's water-use data. The USGS works in...
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    FederalASTER Global Digital Elevation Model V003National Aeronautics and Space Administration — The Terra Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) Global Digital Elevation Model (GDEM) Version 3 (ASTGTM) provides a global digital...
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    FederalMultibeam Bathymetry Database (MBBDB) NGDANational Oceanic and Atmospheric Administration, Department of Commerce — Originally designed for military use, the multibeam echosounder has proved very useful for nautical charting, oceanographic research and modeling, habitat...
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    FederalUSDA Plant Hardiness Zone Map (PHZM)Department of Agriculture — The 2012 USDA Plant Hardiness Zone Map is the standard by which gardeners and growers can determine which plants are most likely to thrive at a location. The map is...
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    FederalUSGS Groundwater Data for the Nation - National Water Information System (NWIS)Department of the Interior — The USGS compiles online access to water-resources data collected at approximately 1.5 million sites in all 50 States, the District of Columbia, Puerto Rico, the...
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    FederalNOAA/WDS Paleoclimatology - The International Tree-Ring Data Bank (ITRDB) RevisitedNational 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...
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    FederalMonitoring Trends in Burn Severity Conterminous United States (Map Service) NGDADepartment of Agriculture — Burn severity layers are thematic images depicting severity as unburned to low, low, moderate, high, and increased greenness (increased post-fire vegetation...
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    FederalMultistate Capture and Search Data from the Southern Beaufort Sea Polar Bear Subpopulation in Alaska, 2001-2016Department of the Interior — This data release contains two tables of information on polar bear distributions in the southern Beaufort Sea during spring, from 2001 to 2016. One table provides...
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    FederalTIGER/Line Shapefile, 2018, nation, U.S., Current County and Equivalent National ShapefileU.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...
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    FederalA Global Database of Gas Fluxes from Soils after Rewetting or Thawing, Version 1.0National Aeronautics and Space Administration — This database contains information compiled from published studies on gas flux from soil following rewetting or thawing. The resulting database includes 222 field and...
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    FederalCircum-Arctic Resource Appraisal (north of the Arctic Circle) Assessment UnitsDepartment of the Interior — The Assessment Unit is the fundamental unit used in the World Petroleum Resources Project. The Assessment Unit is defined within the context of the higher-level Total...
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    FederalInternational Bathymetric Chart of the Arctic Ocean, Version 2.23National Oceanic and Atmospheric Administration, Department of Commerce — The goal of this initiative is to develop a digital data base that contains all available bathymetric data north of 64 degrees North, for use by mapmakers,...
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    FederalAMSR-E/Aqua 5-Day L3 Global Snow Water Equivalent EASE-Grids V002National Aeronautics and Space Administration — These Level-3 Snow Water Equivalent (SWE) data sets contain SWE data and quality assurance flags mapped to Northern and Southern Hemisphere 25 km Equal-Area Scalable...
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    FederalNOS Hydrographic Surveys Collection NGDANational Oceanic and Atmospheric Administration, Department of Commerce — The National Oceanic and Atmospheric Administration (NOAA) has the statutory mandate to collect hydrographic data in support of nautical chart compilation for safe...
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    FederalEPA Tribes (2 of 6): Alaska Native VillagesU.S. Environmental Protection Agency — This layer represents center points of Alaska Native Villages. The Alaska Native Villages are associated with Federally recognized tribal entities.
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    FederalInternational Bathymetric Chart of the Arctic Ocean, Version 3.0National Oceanic and Atmospheric Administration, Department of Commerce — IBCAO Version 3.0 represents the largest improvement since 1999 taking advantage of new data sets collected by the circum-Arctic nations, opportunistic data collected...
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    FederalInternational Bathymetric Chart of the Arctic Ocean, Version 1.0National Oceanic and Atmospheric Administration, Department of Commerce — The goal of this initiative is to develop a digital data base that contains all available bathymetric data north of 64 degrees North, for use by mapmakers,...
