Det finns en plats som heter Mount Williamson i Kanada.
Alla platser i världen som heter "Mount Williamson".
Wellington (4)
Windsor (4)
Borden (3)
Princeton (3)
Westport (3)
Milton (3)
Richmond (3)
Benton (3)
Saint Andrews (3)
Selkirk (3)
Tracadie (3)
Kingston (3)
Victoria (3)
Havelock (3)
Centreville (3)
Sidney (3)
Chesterville (2)
Drinkwater (2)
Grand Beach (2)
Kitchener (2)
Montague (2)
Saint-Laurent (2)
Southampton (2)
Wallace (2)
Alexandria (2)
Beaver (2)
Cambridge (2)
Cornwall (2)
Enterprise (2)
Hebron (2)