- USGS 1:100,000 DLG (Digital Line Graphs)
USGS 1:100,000 DLG (Digital Line Graphs)
- Data Type:
- vector line coverage
- United States Geological Survey (USGS)
- Digital vector delineation of hydrology, pipelines, railroads, and roadways which occur on the USGS 1:100,000 quadrangles for all 1:100,000 quads (Marshall & Shreveport North) falling in the Caddo Lake Ecosytem.
For more information contact the USGS about a guide describing the 1:100,000 DLG data.