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Taivutusmuodot
A line on a map or chart joining places of equal depth of water; a depth contour.
Bathymetric map of Kamaʻehuakanaloa Seamount (formerly Loihi) with isobaths
A line on a map or chart joining places of equal depth of water; a depth contour.
First printed map of oceanic bathymetry, published by Matthew Fontaine Maury with data from USS Dolphin (1853)