"Polyconic projection."

Military grid.

Issued in 1 ̊quadrangles numbered according to the system used for the International 1/m map of the world.

"Chinese place names are transcribed according to the modified Wade-Giles system."

Four classes of roads or trails, two types of internal boundaries, and four classes of railroads are shown.

Co-ordinated for use with the following sets, covering adjoining areas: China proper, NW 1:250,000 A. M. S. L532; China proper, SE 1:250,000 A. M. S. L581; China proper, SW 1:250,000 A. M. S. L582.

Includes "Glossary."

Marginal maps: Index to adjoining sheets.--Index to boundaries.--Coverage diagram.

Standard map series designation: A.M.S. L531

Standard map series designation: [Series] L531