{"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":65,"w":-90,"n":70,"e":-85},"res":0.05,"W":100,"H":100,"n":1053,"cells":"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"}