Northumberland role in the Industrial Revolution from the 18th century on. Many coal mines operated in Northumberland until the widespread closures in the 1970s and 1980s. Collieries operated at Ashington, Bedlington, Blyth, Choppington, Netherton, Ellington and Pegswood. The region's coalfields fuelled industrial expansion in other areas of Britain, and the need to transport the coal from the collieries to the Tyne led to the development of the first railways. Shipbuilding and armaments manufacture were other important industries before the deindustrialisation of the 1980s. Northumberland remains largely rural, and is the least-densely populated county in England. In recent years the county has
Central Falls, Rhode Island unfunded pension and retiree health benefit liability that is over five times its annual budget of $17 million. Central Falls, Rhode Island Central Falls is a city in Providence County, Rhode Island, United States. The population was 19,376 at the 2010 census. With an area of only , it is the smallest and most densely populated city in the smallest state, and the 27th most densely populated incorporated place in the United States. It is also one of only four incorporated places in New England that have a higher population density than the city of Boston (ranking fourth, behind the