{"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":-10,"n":55,"e":-5},"res":0.05,"W":100,"H":100,"n":946,"cells":"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"}