{"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":20,"w":-85,"n":25,"e":-80},"res":0.05,"W":100,"H":100,"n":849,"cells":"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"}