This collections contains links to open geospatial datasets, web services, interactive maps, and data portals distributed by a federal, state, county, municipal, or regional public entity. The geographic focus of the collection encompasses the states in the Big Ten Academic Alliance region.
Most of these resources are continually updated and are subject to regular changes, migrations, and removals. As a result, users may encounter broken links, outdated metadata, or missing information. Please use the Feedback button to contact us and report errors.