{"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":-110,"n":70,"e":-105},"res":0.05,"W":100,"H":100,"n":1272,"cells":"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"}