National Library of Medicine TOXMAP Skip Navigation

What are some GIS data sources?

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:
United States Federal Government
Other