{"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":25,"w":-85,"n":30,"e":-80},"res":0.05,"W":100,"H":100,"n":676,"cells":"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"}