Japan : Hokkaido-west coast : Okushiri Shima to Ishikari Wan
- Creation Date
- Date Issued
From Japanese surveys to 1927
Relief shown by contours and spot heights; depths shown by soundings and isolines
Polygon: 43.58333333,139.25 43.58333333,141.0833333 41.83333333,141.0833333 41.83333333,139.25 43.58333333,139.25
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- Local Attribution
Special Collections & Archives, UC San Diego, La Jolla, 92093-0175 (https://lib.ucsd.edu/sca)
4th edition, No. 2730
Public Domain (US)
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