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Government Information: Map Links
There is a wealth of information to be found in government publications. Although not a complete list, this guide contains many of the available resources.
CIESIN works at the intersection of the social, natural, & information sciences, & specializes in on-line data & information management, spatial data integration and training, and interdisciplinary research related to human interactions in the environment
The Geospatial Data Clearinghouse is a collection of over 250 spatial data servers, that have digital geographic data primarily for use in Geographic Information Systems (GIS), image processing systems, and other modelling software.
Socioeconomic Data and Applications Center. SEDAC’s mission is to develop & operate applications that support the integration of socioeconomic and earth science data and to serve as an “information gateway” between the earth sciences and social scie
WebGIS.com presently contains extensive map coverage for technical applications including Air Dispersion Modeling, Human Health & Ecological Risk Assessment and Terrain Processing. These maps are ready for download in various formats, to facilitate your modeling.