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
Somerville, Massachusetts Somerville, Massachusetts Somerville ( ) is a city located directly to the northwest of Boston, in Middlesex County, Massachusetts, United States. , the United States Census lists the city with a total population of 75,754 people, making it the most densely populated municipality in New England. , it was the 16th most densely populated incorporated municipality in the country. Somerville was established as a town in 1842, when it was separated from Charlestown. In 2006, the city was named the best-run city in Massachusetts by the "Boston Globe". In 1972, in 2009, and again in 2015, the city received the