- Creation Date
- Date Issued
From Japanese surveys between 1923 and 1927 with additions from other sources to 1937
Relief shown by contours and spot heights; depths shown by soundings and isolines
Polygon: 35.7,139.4666667 35.7,140.15 34.85,140.15 34.85,139.4666667 35.7,139.4666667
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- Local Attribution
Special Collections & Archives, UC San Diego, La Jolla, 92093-0175 (https://lib.ucsd.edu/sca)
25th edition, No. 1291
Public Domain (US)
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