This map was made using Digital Line Graph (DLG) data at a source scale of 1:100,000. DLGs portray the linear information contained on the USGS topographic maps, such as transportation networks, hydrography, boundaries, elevation contours, and manmade features.

More information:

Zoom out to see all of Lake Lanier, or view a small part of the lake as a Digital Raster Graphic (a scanned topographic map)

Geologic setting -- Piedmont Physiographic Province

Water-resources monitoring in the vicinity of Lake Lanier