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")
Upperthorpe, Sheffield located within the grounds of the former Sheffield Royal Infirmary. There are no schools in the immediate area; Upperthorpe primary and infant school on Daniel Hill Street was closed down in the 1990s, demolished, and apartments built on the site in a similar style. Children now have to attend schools in either Netherthorpe or Walkley. Upperthorpe has a population of 2,960 according to the 2001 census. A high percentage of properties in the suburb are flats, apartments or maisonettes and are rented from the local authority. Upperthorpe, Sheffield Upperthorpe is a suburb of the City of Sheffield, England. It lies