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GEBCO_2019_TID_Mapped_V2 (MapServer)
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Legend (Seabed2030/GEBCO_2019_TID_Mapped_V2)
GEBCO 2019 TID - Grid Mask (0)
44 - Bathymetric sounding - grid
70 - Pre-generated grid
GEBCO 2019 TID - Interpolated Mask (1)
40 - Predicted based on satellite-derived gravity data
41 - Interpolated based on a computer algorithm
42 - Digital bathymetric contours from charts
45 - Predicted helicopter/flight
71 - Unknown source
72 - Steering points