Central City/Black Hawk Historic District Central City/Black Hawk Historic District The Central City/Black Hawk Historic District is a National Historic Landmark District that encompasses Central City and Black Hawk, Colorado. They are adjacent former gold mining camps in the Front Range of the Rocky Mountains in Gilpin County, Colorado, United States. For a time, the area was known as the Richest Square Mile on Earth. The district was designated a National Historic Landmark on July 4, 1961. On May 5, 1859, John H. Gregory discovered a rich deposit of gold in hard rock, the first such discovery in the Rocky Mountain region. Thousands of miners
Central London Central London Central London (also known less commonly as London city centre) is the innermost part of London, in the United Kingdom, spanning several boroughs. Over time, a number of definitions have been used to define the scope of central London for statistics, urban planning and local government. Its characteristics are understood to include a high density built environment, high land values, an elevated daytime population and a concentration of regionally, nationally and internationally significant organisations and facilities. Road distances to London are traditionally measured from a central point at Charing Cross (in the City of Westminster), which is marked