Hydrography Data - Page 3

Show a large body of water entirely surrounded by land.

Show a substantial lake-like body of water impounded by a dam.

Shows a barrier constructed to hold back water and raise its level to form a reservoir or to prevent flooding.

Shows a structure that protects a waterbody region (for example: a shore, a harbour, and/or an anchorage) from water waves by preventing them from reaching the protected region or reducing their magnitude.

Show a low artificial wall-like structure of durable material extending from the land to seaward for a particular purpose, such as to prevent coast erosion.

Shows an artificial waterway with no flow, or a controlled flow, used for draining or irrigating land.

Show an embankment or wall for protection against waves or tidal action along a shore or water front.

Show a vertically decending part of a watercourse where it falls from a height (for example: over a rock or a precipice).

Show a long pile (for example: a heavy timber or section of steel, wood, or concrete) forced into the earth that may serve as a support (for example: for a pier) or as a free standing pole within a marine environment.

Show an isolated rocky formation or a single large stone or coral, usually one constituting a danger to navigation.