{"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":-75,"n":65,"e":-70},"res":0.05,"W":100,"H":100,"n":1275,"cells":"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"}