|1.||Compare hydrology the study, surveying, and mapping of the oceans, seas, and rivers|
|2.||the oceans, seas, and rivers as represented on a chart|
|hydrography (hī-drŏg'rə-fē) Pronunciation Key
the art and science of compiling and producing charts, or maps, of water-covered areas of the Earth's surface. A brief treatment of hydrography follows. For full treatment, see map and surveying: Hydrography.
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