- Date Issued
- Creation Date
From Japanese surveys to 1937
Relief shown by form lines and spot heights; depths shown by soundings and isolines
Polygon: 46.17,139 46.17,148.5 41.33,148.5 41.33,139 46.17,139
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- Local Attribution
Special Collections & Archives, UC San Diego, La Jolla, 92093-0175 (https://lib.ucsd.edu/sca)
12th edition, No. 2124
Public Domain (US)
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