{"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":75,"w":-110,"n":80,"e":-105},"res":0.05,"W":100,"H":100,"n":649,"cells":"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"}