Central City, Kentucky bituminous coal underlying the bedrock. Central City has a number of old underground coal mine shafts that still crisscross the city. Most of these old shafts date back to the early 1900s. The majority of terrain around the city limits is reclaimed land where surface mining has taken place. As of the census of 2000, there were 5,893 people, 2,065 households, and 1,410 families residing in the city. The population density was 1,126.2 people per square mile (435.0/km). There were 2,313 housing units at an average density of 442.0 per square mile (170.8/km). The racial makeup of the city was
City of London up the centre of the Thames, with the exception that Blackfriars Bridge falls within the City; the City controls London Bridge (as part of Bridge ward) but only half of the river underneath it, a feature which is unique in British local administration. The boundaries are marked by black bollards bearing the City's emblem, and by dragon boundary marks at major entrances, such as Holborn. A more substantial monument marks the boundary at Temple Bar on Fleet Street. In some places the financial district extends slightly beyond the boundaries, notably to the north and east, into the London Boroughs of