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")
CITY College, International Faculty of the University of Sheffield part of the British University with its main campus in Thessaloniki, Greece, while several of its programmes also run in Bucharest, Belgrade, Kyiv, Sofia, Yerevan, Tbilisi and Baku. Therefore, it is an international English speaking institution with students coming from various language and ethnic backgrounds. Today CITY College consists of 4 academic departments: CITY College offers a variety of undergraduate and postgraduate courses in Thessaloniki, leading to the award of a degree by the University of Sheffield: Except for the programmes delivered in Thessaloniki, Greece, CITY College offers a series of undergraduate and postgraduate programmes in other countries of the