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Y Fenai A Bae Conwy (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive)) |
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Y Mers (General Region) |
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Y Twyni O Abermenai I Aberffraw (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive)) |
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Y Valley (Submarine valley(s)) |
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Yabe Plateau (Guyot) |
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Yabe Plateau (Plateau)  replaced by Smoot Guyot |
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Yabe Seamounts (Seamount(s)) |
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Yabuiri Seamount (Seamount(s)) |
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Yachats River (Stream) |
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Yachats River Estuary (Estuary) |
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Yacimientos de Icnitas (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive)) |
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Yacopí Valley (Seamount(s)) |
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Yaculta Bank (Bank) |
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Yacura Island (Island) |
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Yadua Trough (Trough) |
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Yaene Hakuti (Harbour) |
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Yaene Harbour (Harbour) |
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Yaene-Hakuchi (Harbour) |
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Yaene-kō (Harbour) |
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Yaeyama Islands (Archipelago) |
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Yaghan Basin (Basin) |
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Yaghistan (Freshwater Ecoregion of the World (FEOW)) |
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Yagiza Seamount (Seamount(s)) |
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Yaglou Point (Point) |
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Yaglou, punta (Point) |
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Yagorlytska Bay (Wetland of International Importance (Ramsar Convention)) |
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Yahorlyts'kyy Kut (Peninsula) |
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Yahorlyts'kyy Lyman (Gulf) |
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Ya-hsi An-sha (Reef) |
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Yaka Burnu (Point) |
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Yaka Burun (Point) |
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Yakabi Seamount (Seamount(s)) |
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Yakakent (City) |
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Yakal Seamount (Seamount(s)) |
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Yakata (Inhabited Place) |
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Yakats Rock (Rock) |
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Yakhont Seamount (Seamount(s)) |
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Yakima River (River) |
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Yakobi Strath (Submarine valley(s)) |
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Yakobi Valley (Submarine valley(s)) |
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Yakoruda Glacier (Glacier) |
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Yaku Shin Bank (Bank) |
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Yaku-Shin Bank (Bank) |
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Yaku-Sin Sone (Bank) |
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Yakutat Basin (IOS region) |
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Yakutat Canyon (Valley) |
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Yakutat City and Borough (Borough) |
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Yakutat Seamount (Seamount(s)) |
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Yakutat Seavalley (Valley) |
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Yakutat Shelf (IOS region) |
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Yakutat Strath (Valley) |
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Yakutat Valley (Valley) |
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Yakutia (TDWG - level 3) |
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Yakutia (TDWG - level 4)  has preferred alternative Yakutia |
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Yakutia (Republic) |
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Yakutskiya (TDWG - level 4) has preferred alternative Yakutia |
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Yakutskiya (TDWG - level 3) |
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Yala Rock (Rock) |
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Yalata Canyon (Canyon(s)) |
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Yali Burnu (Point) |
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Yali Burun (Point) |
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Yalobusha River (River) |
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Yalong Bay (Bay) |
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Yalour Islands (Archipelago) |
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Yalour Sound (Sound) |
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Yalour, estrecho (Sound) |
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Yalour, Islotes (Archipelago) |
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Yalova (City) |
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Yalta (City) |
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Yalta (Village) |
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Yalta (Town) |
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Yalta (City) |
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Yalta Breakwater (Light(house)) |
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Yalta Gavan' (Harbour) |
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Yalta harbour (Harbour) |
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Yaltinskaya Bukhta (Bay) |
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Yaltinskij zaliv (Gulf) |
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Yaluva (City) |
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Yaly'kyoj (Village) |
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Yama (Town) |
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Yama River (River) |
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Yamato Bank (Bank) |
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Yamato Basin (Basin) |
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Yamato glacier (Glacier) |
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Yamato gletsjer (Glacier) |
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Yamato Ridge (Rise) |
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Yamato Ridge (Bank) |
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Yamato Rise (Rise) |
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Yamato Seamount (Bank) |
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Yamato Seamount (Seamount(s)) |
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Yamato Seamount Chain (Seamount(s)) |
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Yamato Tablemount (Tablemount) |
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Yamato Trough (Trough) |
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Yamato-tai (Bank) |
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Yamatotai Bank (Bank) |
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Yambol Peak (Peak) |
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Yamuna river (River) |
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Yana Valley (Submarine valley(s)) |
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Yanagi Guyot (Guyot) |
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Yanam (TDWG - level 4) |
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Yanbaru Hole (Hole) |
