Relief shown by contours, form lines, and spot heights Shows international, provincial, hsien, and territorial boundaries, roads, railways, masonry walls, walled cities, rice fields. This series was published as A.M.S.L L531 [contour]; L531 type A [blue and black, form lines]; L531 type B [contour]; L531 type A and type B [contour]; L531 type F [contour]; L531 type A and type F [contour]. Co-ordinated for use with the following sets, covering adjoining areas: China proper, NE 1:250,000 A. M. S. L531; China proper, SE 1:250,000 A. M. S. L581; China proper, SW 1:250,000 A. M. S. L582. Includes glossary, coverage diagram, index to boundaries, index to adjoining sheets and miles to kilometers conversion graph. "Compiled in 1945 from China 1:50,000 Central Land Survey, 1931- 38."
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