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
Harrison Township, Vigo County, Indiana Harrison Township, Vigo County, Indiana Harrison Township is one of twelve townships in Vigo County, Indiana, United States. As of the 2010 census, its population was 51,272 and it contained 22,940 housing units. It is entirely contained in Terre Haute's city limits, thus explaining why it is both the most densely populated and the most populated overall. According to the 2010 census, the township has a total area of , of which (or 97.83%) is land and (or 2.17%) is water. The boundaries consist of the following streets or features: The township contains these four cemeteries: Calvary, Grandview, Rogers and