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. Because of the area being shown, contours and smaller roads were omitted from this image.

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Geologic setting -- Piedmont Physiographic Province

Water-resources monitoring in the vicinity of Lake Lanier