Curated OER
Unesco: Spain: Las Medulas
In the 1st century A.D. the Roman Imperial authorities began to exploit the gold deposits of this region in north-west Spain, using a technique based on hydraulic power. After two centuries of working the deposits, the Romans withdrew,...
Curated OER
Etc: Maps Etc: Plan of Fora of Julius, Augustus, and Nerva, 46 Bc to Ad 113
This is a map showing the imperial forums built in Rome from 46 BC to AD 113, in particular the ones built for Augustus, Caesar, and Nerva.