ADL Feature Type Thesaurus, Top Term Report, version 070203

administrative areas
. cadastral areas
. military areas
. political areas
. . countries
. . countries, 1st order divisions
. . countries, 2nd order divisions
. . countries, 3rd order divisions
. . countries, 4th order divisions
. . multinational entities
. populated places
. . cities
. . . capitals
. postal areas
. school districts
. statistical areas
. . census areas
. . Metropolitan Statistical Areas
. territorial waters
. tribal areas

hydrographic features
. aquifers
. bays
. . fjords
. channels
. drainage basins
. estuaries
. floodplains
. gulfs
. guts
. ice masses
. . glacier features
. lakes
. seas
. . oceans
. . . ocean currents
. . . ocean regions
. streams
. . rivers
. . . bends (river)
. . . rapids
. . . waterfalls
. . springs (hydrographic)
. thermal features

land parcels

manmade features
. agricultural sites
. buildings
. . capitol buildings
. . commercial sites
. . . industrial sites
. . . . power generation sites
. . court houses
. . institutional sites
. . . correctional facilities
. . . educational facilities
. . . medical facilities
. . . religious facilities
. . library buildings
. . museum buildings
. . post office buildings
. . research facilities
. . . data collection facilities
. . residential sites
. . . housing areas
. . . mobile home parks
. cemeteries
. disposal sites
. firebreaks
. fisheries
. fortifications
. historical sites
. . archaeological sites
. hydrographic structures
. . breakwaters
. . canals
. . dam sites
. . gaging stations
. . harbors
. . . marinas
. . levees
. . offshore platforms
. . piers
. . reservoirs
. . waterworks
. launch facilities
. mine sites
. monuments
. oil fields
. parks
. . viewing locations
. recreational facilities
. . amusement parks
. . camps
. . performance sites
. . sports facilities
. reference locations
. research areas
. . ecological research sites
. . paleontological sites
. reserves
. storage structures
. telecommunication features
. towers
. transportation features
. . airport features
. . . heliports
. . . seaplane bases
. . aqueducts
. . bridges
. . cableways
. . locks
. . parking sites
. . pipelines
. . railroad features
. . roadways
. . trails
. . tunnels
. wells
. windmills

physiographic features
. alluvial fans
. arroyos
. badlands
. banks (hydrographic)
. bars (physiographic)
. basins
. . storage basins
. beaches
. bights
. capes
. caves
. cirques
. cliffs
. craters
. deltas
. dunes
. flats
. gaps
. isthmuses
. karst areas
. ledges
. massifs
. mesas
. mineral deposit areas
. moraines
. mountains
. . continental divides
. . mountain ranges
. . mountain summits
. . ridges
. . . drumlins
. natural rock formations
. . arches (natural formation)
. plains
. plateaus
. playas
. reefs
. . coral reefs
. seafloor features
. . abyssal features
. . continental margins
. . fracture zones
. . hydrothermal vents
. . ocean trenches
. . seamounts
. . submarine canyons
. tectonic features
. . earthquake features
. . faults
. . . fault zones
. . . rift zones
. . folds (geologic)
. . . anticlines
. . . synclines
. valleys
. . canyons
. volcanic features
. . lava fields
. . volcanoes

regions
. agricultural regions
. biogeographic regions
. . barren lands
. . deserts
. . forests
. . . petrified forests
. . . rain forests
. . . woods
. . grasslands
. . habitats
. . jungles
. . oases
. . shrublands
. . snow regions
. . tundras
. . wetlands
. climatic regions
. coastal zones
. economic regions
. land regions
. . continents
. . islands
. . . archipelagos
. . subcontinents
. linguistic regions
. map regions
. . chart regions
. . map quadrangle regions
. . UTM zones