Coal of a permanent brazier of coal on the altar of Minerva at Aquae Sulis (modern day Bath), although in fact easily accessible surface coal from what became the Somerset coalfield was in common use in quite lowly dwellings locally. Evidence of coal's use for iron-working in the city during the Roman period has been found. In Eschweiler, Rhineland, deposits of bituminous coal were used by the Romans for the smelting of iron ore. No evidence exists of the product being of great importance in Britain before about AD 1000, the High Middle Ages. Mineral coal came to be referred to
Aquae Sulis ("deiada" "goddess"); "Andagin" - accusative feminine "woman"; "Cuamenai" - locative/dative feminine of "Cuamena" It was the religious settlement, rather than the road junction further north, which was given defensive stone walls, probably in the 3rd century. The area within - of approximately - was largely open ground, but soon began to be filled in. There is some dispute as to whether these new buildings were private dwellings or were associated with servicing the pilgrims to the temple. There was also a ribbon development along the northern road outside the walls and cemeteries beyond. From the later 3rd century on, the