The above is a DLG of Yellowstone park displayin information regarding topography as well hydrology and roads. What classifies this as a DLG is the fact that it was created through the use of digital vector data. Map data about features are stored as lines, points and polygons and then applied to the vectors. DLGs are very versatile and can display a large assortment of information.
http://web.wt.net/daba/dlg/default.html
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