Wednesday, December 2, 2009

DLG

This DLG map uses data at a source scale of 1:100,000. DLGs portray info in a linear form.   It contains information such as transportation networks, hydrography, boundaries, elevation contours, and man made features.  A DLG is a cartographic map representing a digital vector distributed by the U.S. Geological Survey.  They are collected in small, intermediate and large categories of features, depending on the scale.  They come in SDTS format.

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