Scale: 1:250000; Relief Symbology: contours, gradient and bathymetric tints, form lines; Map Type: Topographic maps; Other Descriptive Notes about Map Series: Issued in quadrangles 1₂ of latitude by 1₂30' of longitude. Relief shown variously by contours, form lines, shading, and spot elevations. Classes of roads, railroads, towns by size, types of vegetation, etc., indicated by symbols. Each sheet includes Glossary, Reliability diagram, and Location diagram. Accompanied by index map on sheet 27 x 41 cm.