DLG - Digital line graph
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjc-AMAqfRa5deU9lsDxSTtM7cOEkpBMHu1NwTHVmsf-B6gt1x29INDIIveBljMEZVta_uIPHU9uUMZ04wuYwwp6QzENgxtIvQ9kSdrSLbMQYbatpfJtZ9I6wL8pNvYxvastrsN22peF-df/s400/dlg.gif)
Digital line graphs are digital vector representations of cartographic information derived from USGS maps and related sources. Depending on the scale, layers such as PLSS, boundaries, transportation, hydrography, hypsography, non-vegetative features, survey control and markers, manmade features and vegetative surface cover may be available. The image above is of a 7.5 minute DLG showing boundary, hydrography and transportation layers in Dancyville, TN.
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