33,042 datasets found
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Federal
USGS Water-Quality Data for the Nation - National Water Information System (NWIS) 248 recent views
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... -
Federal
1 meter Digital Elevation Models (DEMs) - USGS National Map 3DEP Downloadable Data Collection 155 recent views
Department of the Interior —
This is a tiled collection of the 3D Elevation Program (3DEP) and is one meter resolution. The 3DEP data holdings serve as the elevation layer of The National Map,... -
Federal
USGS US Topo Map Collection 131 recent views
Department of the Interior —
Layered geospatial PDF 7.5 Minute Quadrangle Map. Layers of geospatial data include orthoimagery, roads, grids, geographic names, elevation contours, hydrography,... -
Federal
USGS National Structures Dataset - USGS National Map Downloadable Data Collection 114 recent views
Department of the Interior —
USGS Structures from The National Map (TNM) consists of data to include the name, function, location, and other core information and characteristics of selected... -
Federal
National Hydrography Dataset (NHD) - USGS National Map Downloadable Data Collection 100 recent views
Department of the Interior —
The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that make up the nation's... -
Federal
An example data set for exploration of Multiple Linear Regression 84 recent views
Department of the Interior —
This data set contains example data for exploration of the theory of regression based regionalization. The 90th percentile of annual maximum streamflow is provided as... -
Federal
FWS Critical Habitat for Threatened and Endangered Species Dataset 73 recent views
Department of the Interior —
When a species is proposed for listing as endangered or threatened under the Endangered Species Act, the U.S. Fish and Wildlife Service must consider whether there... -
Federal
Map of Arsenic concentrations in groundwater of the United States 72 recent views
Department of the Interior —
The map graphic image at https://water.usgs.gov/GIS/browse/arsenic_map.png illustrates arsenic values, in micrograms per liter, for groundwater samples from about... -
Federal
Watershed Boundary Dataset (WBD) - USGS National Map Downloadable Data Collection 72 recent views
Department of the Interior —
The Watershed Boundary Dataset (WBD) is a comprehensive aggregated collection of hydrologic unit data consistent with the national criteria for delineation and... -
Federal
Major land uses in the United States 67 recent views
Department of the Interior —
This is a polygon coverage of major land uses in the UnitedStates. The source of the coverage is the map of major landuses in the National Atlas, pages 158-159, which... -
Federal
USGS 1/3 arc-second Contour Downloadable Data Collection 62 recent views
Department of the Interior —
The geospatial data of this layer is comprised of elevation contours derived from 1/3 arc-second 3D Elevation Program (3DEP) data. -
Federal
NCRN Bird Monitoring Data 2018 55 recent views
Department of the Interior —
This dataset represents 2018 NCRN forest and grassland bird monitoring. Data were collected on avian abundance/density and distribution in the National Capital Region... -
Federal
Global Geochemical Database for Critical Minerals in Archived Mine Samples 54 recent views
Department of the Interior —
The Critical Minerals in Archived Mine Samples Database (CMDB) contains chemistry and geologic information for historic ore and ore-related rock samples from mineral... -
Federal
BLM National Public Land Survey System Polygons 47 recent views
Department of the Interior —
This dataset represents the GIS Version of the Public Land Survey System including both rectangular and non-rectangular surveys. The primary source for the data is... -
Federal
Water-quality Data 42 recent views
Department of the Interior —
In 2015-2016, physicochemical properties and chemical characteristics of stream water, bed sediment, groundwater, and soil were determined in watersheds located... -
Federal
Grand Canyon National Park Trail GIS Dataset 41 recent views
Department of the Interior —
Trails data are intended to be used for a variety of mapping, resource management, planning, and analysis applications. -
Federal
Combined wildfire dataset for the United States and certain territories, 1870-2015 41 recent views
Department of the Interior —
The increase in wildfires, particularly in the western U.S., represents one of the greatest threats to multiple native ecosystems. Despite this threat, there is... -
Federal
Physiographic divisions of the conterminous U. S. 40 recent views
Department of the Interior —
This is a polygon coverage of Physiographic Divisions in theconterminous United States. It was automated from Fenneman's1:7,000,000-scale map, "Physical Divisions of...
33,042 datasets found
