SeaChart map: projected and rounded to SVG paths; Antarctica omitted.
Source: https://github.com/rembish/iso-topojson/blob/master/iso-a2.json
Source SHA-256: b73c09033c60abe9f6605394b95942ac71d358f60e44408863178b0a6fc048bf

Creative Commons Attribution 4.0 International (CC BY 4.0)

Copyright (c) 2026 Alex Rembish

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Full license text: https://creativecommons.org/licenses/by/4.0/legalcode

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Attribution for source data:

- Natural Earth (https://www.naturalearthdata.com/) — public domain