An elongated raised landform which forms a continuous elevated crest for some distance, such as a chain of hills or mountains
A long, narrow, navigable marine inlet with steep sides or cliffs created by glacial erosion
An adjective describing a settlement with a high population density and a developed infrastructure of built environment
A land or water passage that is confined or restricted by its narrow breadth
The public regulation of land and building use to control the character of a place
A low area between hills or mountains, often with a river running through it
The bottom of a sea or ocean
Wild, uncultivated, uninhabited land, especially that which is barren or desolate, supporting little or no plant and animal life
Depression, particularly one that is approximately circular, level at the bottom, and/or surrounded on all sides by land of uniform elevation
A combination of a human settlement and an area of cultivated vegetation in an otherwise desolate desert or semi-desert environment
An isolated, relatively flat-topped natural elevation
A deep cleft between cliffs or a rift between two mountain peaks caused by erosion
Any tributary stream that runs parallel to, and within the floodplain of a larger river for considerable distance, before eventually joining it
Plant succession that is limited by water availability
A piece of land surrounded by water along the majority of its border while still being connected to a mainland from which it projects
A type of wetland which accumulates deposits of dead plant material
Small, low-elevation, sandy island on the surface of a coral reef
A moist subarctic coniferous forest dominated by spruces and firs
A territory completely surrounded by the territory of exactly one other state, country, or other political entity
An indentation of a shoreline which leads to an enclosed body of salt water
A small area of water connected to the ocean but otherwise blockaded by one or more islands
A landform at the mouth of a river where the main stem splits up into several distributaries
A navigable artificial water channel
An area covered with dense vegetation dominated by large trees
Archipelago
Basin
Canal
Delta
Enclave
Fjord
Gorge
Hemisphere
Inlet
Jungle
Key
Lagoon
Mesa
Narrow
Oasis
Peninsula
Quagmire
Ridge
Seabed
Taiga
Urban
Valley
Wasteland
Xerosere
Yazoo stream
Zoning
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