hether protecting an area’s natural resources or maintaining a city’s infrastructure, planners and engineers need access to large and diverse sets of geographic data. The Government Mapping Group offers Geographic Information System (GIS) technology and services for creating, managing, and analyzing these data sets to help clients solve critical planning and engineering challenges. GIS has proven to be a valuable resource for professionals in many disciplines. The technology combines the sophisticated graphic tools of Computer-Aided Drafting and Design (CADD) systems with the powerful data management functions of relational database management systems (RDBMS) as well as unique GIS tools for spatial analysis and mapping.