Geography of Sheffield county, from bituminous (ideal for domestic heating) to "Thick Coal", of a semi-anthracitic quality, appropriate for use in iron-smelting and in engine furnaces. Associated with the Upper Coal Measures were valuable iron ore deposits, occurring in the form of nodules. Large quantities of locally occurring fireclay were also exploited, as well as ganister (a clay used to make refractory furnace linings). The city of Sheffield derives its name from the River Sheaf which Until the 17th century was written as "Scheth" or "Sheath". Sidney Oldall Addy equates the origins of this word with the Old English "shed" (as in "water-shed")
English Institute of Sport, Sheffield English Institute of Sport, Sheffield The English Institute of Sport is a multi-sport facility in Sheffield, England. The facility designed by FaulknerBrowns Architects was opened in December 2003 at a cost of £24 million. Its main feature is a 200m indoor track, but it also hosts several other sporting arenas as well as a large gym and extensive sports medicine facilities. It is in the Lower Don Valley between the Sheffield Arena and Don Valley Bowl. It is managed by SIV (Sheffield International Venues). The facility is the training venue of choice for a number of sports including athletics, basketball,