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
Valeria, Spain (Roman City) Valeria, Spain (Roman City) Valeria was an important Roman city and one of the three major cities (with Segobriga and Ercavica) in the modern province of Cuenca. Its impressive ruins are located on an spectacular site near the modern town of Valeria (Cuenca, Castilla-La Mancha). Valeria was founded on land conquered from the celtiberians, between 93 and 82 BC when Valerius Flaccus became proconsul of Hispania Citerior, since when it has preserved the name that refers to its founder. Valeria is located on a tongue of land between limestone gorges at an altitude of a 1000 metres. Excavation began in