GEOG 360 : Geospatial Resources Guide: GIS Data Websites

Local, State & Regional Data Resources

King County GIS Data Hub
For information and access to the King County GIS Data Portal.
Puget Sound Regional Council Data and Resources
For regional planning boundaries, census tracts, PSRC forecasting zones, and Puget Sound LiDAR.
Washington Department of Natural Resources GIS Data Center
For natural resources, management, and related data.
WA Dept. of Ecology GIS Data
WSDOT Geodata Distribution Catalog
For Washington Department of Transportation data.
Washington State Geospatial Portal
Alaska: Alaska State Geo-Spatial Clearinghouse
For statewide government-published geospatial data.
Alaska: Southeast Alaska GIS Library
Alaska GIS data for latitudes 55N-60N.
Arizona: University of Arizona Libraries GIS and Geospatial Data
Geospatial data and maps provided by the University of Arizona Library.
California: UCLA Library Geospatial Data
GIS data for the state of California provided by the University of California, Los Angeles Library.
Colorado: The Official State Web Portal
GIS data for the state of Colorado provided by the Governor's office.
Idaho: Inside Idaho
Geospatial data and information provided by the University of Idaho.
Montana: Montana State Library Geographic Information
Oregon: Oregon Spatial Data Library
Geospatial data for the state of Oregon.
Utah: Utah Automated Geographic Reference Center
GIS data for the state of Utah.
Wyoming: Wyoming GeoLibrary
Access to spatial data provided by the Wyoming GIS Center at the University of Wyoming.

Suggested Starting Point:

Center for International Earth Science Information Network
CIESIN works at the intersection of the social, natural, and information sciences, and specializes in on-line data and information management, spatial data integration and training, and interdisciplinary research related to human interactions in the environment.
AfricaMap
Based on the Harvard University Geospatial Infrastructure (HUG) platform, and was developed by the Center for Geographic Analysis to make spatial data on Africa easier for researchers to discover and explore.
GeoGratis
Canadian government GIS repository provided by the Earth Sciences Sector of Natural Resources Canada. Contains both physical and human geography datasets, vector and raster, for free. Most files are in Interchange Format (e00).
DIVA-GIS
Download country level data for any country in the world: administrative boundaries, roads, railroads, altitude, land cover, population density.

Federal Data Servers:

data.gov: a federal metadata repository that is the primary resource for data discovery at national, state, or local scales.

The DataWeb: a network of online data libraries covering census data, economic data, health data, income and unemployment data, crime and transportation data, etc.

Individual Federal Agency Portals:

Agriculture (USDA)

USDA Geospatial Data Gateway: Natural resource, agricultural and imagery data (requires up-to-date java).

Bureau of Land Management (BLM)

GeoCommunicator: Bureau-wide and state-specific geospatial metadata repositories and data download sites.

Centers for Disease Control

Centers for Disease Control GIS Data: List of links to data and metadata servers focused on health, both national and international in scope.
CDC GIS Web Applications: Links to several tools that support online mapping, analysis, and data discovery.

Geological Survey (USGS)

The National Map: elevation, orthoimagery, hydrography, geographic names, boundaries, transportation, structures, and land cover data
Earth Resources Observation and Science (EROS): aerial photography and digitial orthophotography; elevation (NED, DEMs, GTOPO30, etc); satellite imagery (ASTER, SRTM, SIR-C, NALC, etc.); land cover (NLCD, LULC, GLCC, etc).
Hydrosheds: Regional and global hydroshed images, data, and maps (both vector and raster).
Earth Explorer: satellite images, aerial photographs, and other cartographic products.
Coastal and Marine Geology Program Internet Map Server: Provides usSEABED data on ocean floor geology and geophysics for the Atlantic, Pacific, and Gulf Coasts.

National Oceanic and Atmospheric Administration (NOAA)

National Geophysical Data Center: oceanic, coastal, atmospheric and geophysical data.
Office of Coast Survey: raster navigational charts.

National Park Service

NPS Data Store & Clearinghouse: search and retrieve data and metadata for national parks throughout the United States and its territories.

Center for Science in the Earth System
Data archive comprises data and links for global and Pacific Northwest climate and natural resources.
Olympic Natural Resource Center
The University of Washington Olympic Natural Resources Center located on the Olympic Peninsula in Forks, Washington, provides scientific information to address critical issues and solve problems concerning forestry and marine sciences in the region.