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")
Sheffield City Council No Overall Control; from 2002-03 (Labour Minority), 2007-08 (Labour Minority) and 2010-11 (Liberal Democrat Minority). A list of leaders of Sheffield City Council from 1901. Sheffield City Council provides approximately 550 services to its citizens. It is also a major employer in the city, with more than 18,000 employees, including all state school staff in its role as Local Education Authority (LEA). Services and employees are organised into four portfolios: Other functions are performed by partners and contractors of the council: Sheffield City Council Sheffield City Council is the city council for the metropolitan borough of Sheffield in South Yorkshire,