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Lamont, Melissa; Bowles, G. Ian – Information Technology and Libraries, 1997
Describes the Pennsylvania County Mapper, which provides economic and social data by county and enables users to create and customize electronic thematic maps through the Internet. Discusses conditions leading to the development of the site and basic requirements for service; relates experiences with building an online mapping system. (AEF)
Descriptors: Information Networks, Information Services, Information Sources, Internet