Relief shown by contours and spot heights. "Contour interval 10 feet" "30083-G3-TF-024" "DMA 4345 IV SE--Series V 845" "Revisions shown in purple and woodland compiled in cooperation with State of Georgia agencies from aerial photographs taken 1983 ... Map edited 1988." "Topography by photogrammetric methods from aerial photographs taken 1957. Field checked 1961."