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 of Sheffield and Dearne Athletic Club City of Sheffield and Dearne Athletic Club City of Sheffield & Dearne Athletic Club is an athletics club based in Sheffield, England. It is based at the Sheffield Hallam University City Athletics Stadium. The club competes in the British Athletics League Premiership and Northern Athletics League Division 1. The Young Athletes compete in the National Youth Development League. The Upper and Lower Age Group teams compete in the Northern East Premier Division. From 2017 the club have joined the UK Women's League. Sheffield United Harriers were formed in 1894. In 1975, Sheffield United Harriers amalgamated with Sheffield City Athletic Club