Lower Don Valley Lower Don Valley The Lower Don Valley, or historically the East End of Sheffield, is the mainly industrial north-east quarter of Sheffield, England. Located on the River Don, it encompasses the areas of Attercliffe, Brightside, Darnall, Tinsley and Wincobank. The area became the heart of Sheffield's steel industry during the 19th and 20th century. However it went into decline during the 1970s and 1980s as the nature of steel manufacture changed from large industrial sites with large scale employment to more streamlined and automated manufacture. As a result, large areas were derelict by the end of the 1980s despite the
Don Valley East Don Valley East Don Valley East () is a federal electoral district in Ontario, Canada that covers the northeast section of the North York part of Toronto. The federal riding was created in 1976 from parts of Willowdale, York East, York North, and York—Scarborough ridings. It is represented in the House of Commons of Canada by Liberal Yasmin Ratansi. This riding is located in the eastern part of the North York district in Toronto. It contains the neighbourhoods of Flemingdon Park, Don Mills, Graydon Hall, Parkwoods and Victoria Village. For most of its existence, this riding has alternated between voting