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BLM National Public Land Survey System Polygons 145 recent views
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 cadastral... -
Combined wildfire dataset for the United States and certain territories, 1870-2015 68 recent views
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 currently no... -
National Atlas of the United States 61 recent views
The National Atlas contributes to our knowledge of the environmental, resource, demographic, economic, social, political, and historical dimensions of American life. It includes... -
USGS Water-Quality Data for the Nation - National Water Information System (NWIS) 49 recent views
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 Virgin Islands,... -
BLM National Surface Management Agency Area Polygons 44 recent views
SurfaceManagementAgency: The Surface Management Agency (SMA) Geographic Information System (GIS) dataset depicts Federal land for the United States and classifies this land by... -
Protected Areas Database of the United States (PAD-US) 43 recent views
The USGS Protected Areas Database of the United States (PAD-US) is the nation's inventory of protected areas, including public open space and voluntarily provided, private... -
FWS Cadastral Database 40 recent views
This data layer depicts lands and waters administered by the U.S. Fish and Wildlife Service (USFWS) in North America, U.S. Trust Territories and Possessions. It may also include... -
Biodiversity Information Serving Our Nation (BISON) 38 recent views
The USGS Biodiversity Information Serving Our Nation (BISON) project is an online mapping information system consisting of a large collection of species occurrence datasets... -
Average Annual Precipitation (PRISM model) 1961 - 1990 38 recent views
This map layer shows polygons of average annual precipitation in the contiguous United States, for the climatological period 1961-1990. Parameter-elevation Regressions on... -
National Wetlands Inventory - Wetlands 38 recent views
This data set represents the extent, approximate location and type of wetlands and deepwater habitats in the United States and its Territories. These data delineate the areal... -
BLM National Public Land Survey System Polygons - National Geospatial Data Asset (NGDA) 35 recent views
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 cadastral... -
Digital representation of "Atlas of United States Trees" by Elbert L. Little, Jr. 27 recent views
These maps are a digital representation of the individual tree species range maps of the "Atlas of the United States Trees" by Elbert L. Little, Jr. The atlas shows the natural... -
FWS Critical Habitat for Threatened and Endangered Species Dataset 27 recent views
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 are areas of... -
U.S. Geological Survey Gap Analysis Program- Land Cover Data v2.2 26 recent views
This dataset combines the work of several different projects to create a seamless data set for the contiguous United States. Data from four regional Gap Analysis Projects and... -
ArcGIS Tool: Inserts file name into attribute table 26 recent views
This ArcGIS model inserts a file name into a feature class attribute table. The tool allows an user to identify features by a field that reference the name of the original file.... -
U.S. block-level population density rasters for 1990, 2000, and 2010 24 recent views
This dataset consists of three raster datasets representing population density for the years 1990, 2000, and 2010. All three rasters are based on block-level census geography... -
BLM Colorado PLSS Township 23 recent views
Shapefile Format –In the Public Land Survey System (PLSS), a Township refers to a unit of land, that is nominally six miles on a side, usually containing 36 sections. This... -
North American Joint Ventures 2014 revision 20 recent views
A joint venture is a self-directed partnership of agencies, organizations, corporations, tribes, or individuals that has formally accepted the responsibility of implementing... -
USGS Map service: Coastal Vulnerability to Sea-Level Rise 20 recent views
The coastal vulnerability index (CVI)provides a preliminary overview, at a National scale, of the relative susceptibility of the Nation's coast to sea-level rise. This initial... -
FWS Interest 19 recent views
This data layer depicts lands and waters administered by the U.S. Fish and Wildlife Service (USFWS) in North America, U.S. Trust Territories and Possessions. It may also include...