The digital raster graph, or DRG for short, is a map created digitally that has been scanned from a paper version of itself made by the USGS. Almost all the features of the original map are maintained, and it can be improved in quality or edited for specific uses on a computer. The greatest advantage to this map is that it is a simple, digital map that is easy to alter and utilize for many purposes. The DRG example shown here is a map created by the USGS for the area of Bushkill, Pennsylvania. Topographic relief, local bodies of water, shading for vegetation, local road ways, and cities in the area are all shown and labeled for easy readability.
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