{"generated":"2026-10-19","source":"OpenStreetMap natural=reef / natural=shoal / natural=coastline (coarse warning layer)","licence":"ODbL 1.0","attribution":"© OpenStreetMap contributors, Open Database License (openstreetmap.org/copyright). Derived database: docs/launch/odbl/.","block":{"s":60,"w":-25,"n":65,"e":-20},"res":0.05,"W":100,"H":100,"n":305,"cells":"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"}