Welcome to the Big Ten Academic Alliance Geospatial Information Network
Learn about all of the ways we support the geospatial research community and foster connections among geospatial library professionals.
Find geospatial data in one place
A collaboration of Big Ten university libraries, the Geoportal provides access to more than 100,000 geospatial records and maps from around the world — searchable, citable, and free to use.
Subscribe to Stay Connected
Subscribe to our quarterly newsletter, Coordinates, for our latest news, events, resources, and announcements about our Big Ten GIS Conference.
Guides & Tutorials
Find fire insurance maps, PLSS plats, census data, and more with our topical guides, or explore tutorials built for teaching and learning with geospatial data.