1 example sentence using hydrography.
Hydrography used in a sentence
Hydrography in a sentence as a noun
A capable pilot familiar with local hydrography can get close to land in the region of Shek O village, but the likeliness of that is low and the locations is strategically unfavourable for naval landing.
Hydrography definitions
noun
the science of the measurement and description and mapping of the surface waters of the earth with special reference to navigation