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 Calidae, Algeria Aquae Calidae, Algeria Aquae Calidae was a Roman colony of the Roman province of Mauretania Caesariensis. The Roman city has been identified with ruins at Hammam Righa in the wilaya of Chlef, Algeria, North Africa. The ruins are located at latitude 36.379474N, longitude 2.395618E near the railway town of Boumedfaâ, and is on the Oued Djer River. The Roman colony was founded by Augustus and flourished from 30BC to about 690 AD, passing through the Vandal Kingdom and Roman Empire into late antiquity. Emperor Augustus established there a colony of his veterans and the city started to grow soon in