{"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":15,"w":-95,"n":20,"e":-90},"res":0.05,"W":100,"H":100,"n":290,"cells":"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"}