There are many sources for geospatial information and data. The US federal government has created a portal known as the Geo.Data.gov (http://geo.data.gov/), part of Data.gov, to promote communication and sharing of geographic data by all levels of government and the public. GIS data are also available at the state and local government levels, from commercial vendors, and from other organizations.
Some sources of GIS data include:
Some sources of GIS data include:
United States Federal Government
- Geo.Data.gov - http://geo.data.gov/
- US Census Bureau - http://www.census.gov/geo/www/index.html
- US Census Bureau State & County QuickFacts- http://quickfacts.census.gov/qfd/index.html
- National Atlas of the United States - http://www.nationalatlas.gov/
- National Aeronautics and Space Administration (NASA) - http://www.nasa.gov/home/index.html
- EPA National Geospatial Program - http://www.epa.gov/geospatial/
- Federal Emergency Management Agency (FEMA) - http://gis.fema.gov/
- National Geodetic Survey - http://www.ngs.noaa.gov/
- National Cancer Institute - http://seer.cancer.gov/
Other
- The Geography Network - http://www.geographynetwork.com/
- GIS.com - http://www.gis.com/ (information and links)
- Center for Agricultural, Resource and Environmental Systems (CARES) (http://www.cares.missouri.edu/), University of Missouri at Columbia