Distributed digital library with collections of georeferenced materials. ADL includes the operational library, with various nodes and collections, and the research program through which digital library architectures, gazetteer applications, etc.
Links to digital cartographic and environmental data that can be accessed on the Internet, e.g. data source directories, remotely sensed data, topographic data, census data, etc. from Center for Global & Regional Environmental Research.
Membership-based, not-for-profit organization serving member colleges and universities in the United States and abroad. Provides access to the world's largest archive of computerized social science data and resources for social scientists.