- Date Issued
- Creation Date
From Japanese surveys to 1931 with additions from other sources to 1939
Inset: Izu Shoto, Miyake and Mikura Shima
Relief shown by contours and spot heights; depths shown by soundings and isolines
Polygon: 42,138.6666667 42,145 33.81666667,145 33.81666667,138.6666667 42,138.6666667
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Special Collections & Archives, UC San Diego, La Jolla, 92093-0175 (https://lib.ucsd.edu/sca)
2nd edition, No. 5490
Public Domain (US)
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