United States. Central Intelligence Agency. North Decimal Degree 39.774722. South Decimal Degree 23.561944. East Decimal Degree 79.627500. West Decimal Degree 44.226389. Relief shown by shading and spot heights. Lambert conformal conic projection. Depths shown by gradient tints and soundings. "504679 11-80 (544991)." Includes glossary. Available also through the Library of Congress Web site as a raster image.