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BLM National Public Land Survey System Polygons - National Geospatial Data Asset (NGDA) 189 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 188 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 133 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) 87 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,... -
Major land uses in the United States 70 recent views
This is a polygon coverage of major land uses in the United States. The source of the coverage is the map of major land uses in the National Atlas, pages 158-159, which was... -
FWS Critical Habitat for Threatened and Endangered Species Dataset 65 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... -
Protected Areas Database of the United States (PAD-US) 57 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... -
U.S. Geological Survey Gap Analysis Program- Land Cover Data v2.2 52 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... -
Biodiversity Information Serving Our Nation (BISON) 52 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... -
North American Breeding Bird Survey 49 recent views
This protocol framework provides guidance for conducting surveys of North American bird populations at multiple stations within two or more regions. The BBS is a cooperative... -
Map of Arsenic concentrations in groundwater of the United States 47 recent views
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 31,000 wells... -
Mineral Resources Data System 46 recent views
Mineral resource occurrence data covering the world, most thoroughly within the U.S. This database contains the records previously provided in the Mineral Resource Data System... -
National Wetlands Inventory - Wetlands 41 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... -
An Invasive Plant Inventory and Early Detection Prioritization Tool (version 2.0) 40 recent views
In 2010-2013, the U. S. Fish and Wildlife Service (USFWS) partnered with Utah State University to conduct invasive plant prioritization workshops and inventories on selected... -
Migration of birds 34 recent views
This report covers the migration of birds. Topics covered include why birds migrate, when birds migrate, speed, altitude, courses, distance, major flyways and routes, the... -
South America Geologic Map (geo6ag) 33 recent views
South America is part of Region 6 (Central and South America) for the World Energy Assessment. The geologic map of South America was digitized so that we could use the geology... -
Landsat Burned Area Essential Climate Variable products for the conterminous United States (1984 - 2015) 33 recent views
The U.S. Geological Survey (USGS) has developed and implemented an algorithm that identifies burned areas in temporally-dense time series of Landsat image stacks to produce the... -
Mid-winter Waterfowl Survey 32 recent views
The Mid-winter Waterfowl Survey is a nationwide effort to survey waterfowl in areas of major concentration on their wintering grounds and provide winter distribution and habitat... -
American Woodcock Singing-ground Survey 32 recent views
The American Woodcock Singing-Ground Survey, conducted by the U.S. Fish and Wildlife Service, exploits the conspicuous courtship display of the male woodcock. The survey...
