Issued in quadrangles 1° of latitude by 1 1/2 - 2° of longitude.
"Transverse Mercator projection."
Relief indicated variously by contours, form lines, shading and spot heights.
"Names romanized in accordance with the Modified Wade-Giles system." Many names printed also as Chinese ideographs. Some sheets have legend in English and Chinese.
Coverage includes Tibet and Sinkiang; Mongolia, Manchuria and Formosa are convered by separate sets.
Each sheet includes "Glossary" and "Location diagram" partly on versos.