Scale 1:500,000. 1 in. = approximately 8 miles ; Lambert conformal conic projection based on standard parallels 33° and 45° (W 88°28ʹ00ʺ--W 84°53ʹ00ʺ/N 35°00ʹ00ʺ--N 30°08ʹ00ʺ).
Relief shown by contours and spot heights. Depths shown by isolines., "Compiled in 1989 from USGS 1:100 000-scale topographic maps dated 1978-1986.", At head of title: Department of the Interior, United States Geological Survey., UTM grid: Zone 16., Includes population key., and "32086-D3-ST-500."