This map is an example of a digital raster graphic. As we learned, a DRG map is a scanned image of a fat topographic map. This allows for further modification and portability of the map that originally only presided on paper. The important thing about DRG maps is that they are georeferenced to the surface of the Earth. These maps are projected to the UTM to give them a uniform consistency. These maps are convenient in getting more out of a traditional map by being able to access it in a digital format.
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