From the menus to the right select data by world or region.
The following links direct you to subject-specific GIS resources in Richardson Library and available on the internet.
More Subject Guides coming soon.
GIS for Outer Space includes links to datasets for celestial bodies beyond Earth.
GIS for Earth includes links to international datasets for countries, continental data and more.
GIS for the United States includes links to national data sources and states other than Maryland.