{"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":-100,"n":20,"e":-95},"res":0.05,"W":100,"H":100,"n":206,"cells":"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"}