Japan. Shimane-ken : administrative divisions, November 1943.United States. Dept. of State1947"10231 April 1947.""Base map: Shimane-ken, Dai Nippon Bunken Chizu, Tökyō, 1938. (Base map contains slight errors in scale, especially in peripheral areas.)""Boundaries revised from Japanese General Staff 1:50,000.""Code used for the Ken, Gun, and Shcartographic