{"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":50,"w":-60,"n":55,"e":-55},"res":0.05,"W":100,"H":100,"n":1436,"cells":"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"}