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GIS Data Sources

GIS Data Sources

NCI and Other Government Data

These sources of geographic data are made available by the US government.

National Academy of Sciences

National Cancer Institute

US Geological Survey

Census Bureau

Environmental Protection Agency

  • EnviroMapper Storefront - an online tool used to map various types of environmental information at the national, state, and county levels.

Centers for Disease Control

Federal Geographic Data Committee

  • Federal Geographic Data Committee - an interagency committee which is developing the National Spatial Data Infrastructure.
  • National Geospatial Data Clearinghouse - a searchable collection of over 250 spatial data servers containing digital geographic data primarily for use in Geographic Information Systems, image processing systems, and other modelling software.

National Library of Medicine

  • TOXNET - a cluster of databases on toxicology, hazardous chemicals, and related areas.

Bureau of Transportation Statistics

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Miscellaneous Data

These sources of geographic data are made available by private companies or organizations.

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