- Date Issued
- Creation Date
From Japanese surveys in 1914 and 1921 with additions from other sources to 1934
Relief shown by contours and spot heights; depths shown by soundings, bathymetric tints and isolines
Polygon: 41.29166667,140.9416667 41.29166667,141.2916667 41.11666667,141.2916667 41.11666667,140.9416667 41.29166667,140.9416667
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- Local Attribution
Special Collections & Archives, UC San Diego, La Jolla, 92093-0175 (https://lib.ucsd.edu/sca)
2nd edition, No. 6381
Public Domain (US)
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