Data

Show a container used for the storage of liquids and/or gases that is not supported by a tower.

Shows an enclosed channel for carrying a watercourse (for example: a stream, a sewer, or a drain) under a route (for example: a road, a railway, or an embankment). Usually the construction of the route is unaffected.

Show a surface structure that may be covered and/or surrounded with earth and is resistant to ordnance.

Shows a location of entrance and/or exit.

Shows a site where remains of ancient civilizations or human activity have been discovered.

Show a mass of rock or coral which either reaches close to the sea surface or is exposed at low tide, posing a hazard to navigation.

Show a land mass, other than a continent, surrounded by water.

Shows a poorly drained wetland that consists of decaying vegetation, retains stagnant water, and is too soft to bear the weight of any heavy body.

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

Show an open-air excavation created by removal of stone by blasting or cutting.