Topographic Map Viewer for Georgia
Alhadeff, S. J.
Alhadeff, D. V.
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The U.S. Geological Survey (USGS), in cooperation with Georgia Department of Natural Resources, Environmental Protection Division, has developed a topographic map viewer (TopoViewer) and database built on Environmental Systems Research Inc., MapObject® technologies. The TopoViewer software and data are contained on a single DVD–ROM. TopoViewer software is a freely distributed geographic information system type graphic user interface, providing a viewer, a search engine and printing options to the user (Fig. 1). The spatial data on the DVD–ROM includes all 1,017 USGS topographic maps (1:24,000-scale) for the State of Georgia, the Georgia Department of Transportation state highway map, as well as other vector datasets—including: roads, streams, county boundaries, interstate highways, and quadrangle boundaries.