It is an ESRI ArcView extension. Specialized Computer Mapping Application, Bureau of the Census, U.S. Department of Commerce Map EPA-regulated sites, demographic and economic census data, streets, water features, and political and census boundaries. Sample software and data may be downloaded for a single county. Ordering information is included. MapInfo, MapInfo Corporation Widely used GIS software.
Website includes discussion forums and an e-news list for people working in government.
Maps can be produced for street-level addresses. Data include census data for household size, income, ethnicity, age, and more. Makes it easy to place maps in documents or to transfer your data from a spreadsheet to a map. Targeted to business users. National Geospatial Data Clearinghouse Collection of over 100 data servers with geographic data primarily for use in GIS programs, image processing systems, and other modeling software.