Central City/Black Hawk Historic District and funds as a result. 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
Coat of arms of the City of London Coat of arms of the City of London The coat of arms of the City of London is the official coat of arms of the City of London, which is one of a number of cities and boroughs in Greater London. The Corporation of the City of London has a full achievement of armorial bearings consisting of a shield on which the arms are displayed, a crest displayed on a helmet above the shield, supporters on either side and a motto displayed on a scroll beneath the arms. The blazon of the arms is as follows: Arms: "Argent a cross