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
Cheyenne County, Colorado Cheyenne County, Colorado Cheyenne County is the sixth-least densely populated of the 64 counties of the U.S. state of Colorado. The county population was 1,836 at 2010 census. The county seat is Cheyenne Wells. Cheyenne County was created with its present borders by the Colorado State Legislature on March 25, 1889, out of portions of northeastern Bent County and southeastern Elbert County. It was named after the Cheyenne Indians who occupied eastern Colorado. According to the U.S. Census Bureau, the county has a total area of , of which is land and (0.2%) is water. The drainage basins in Cheyenne