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| Keywords: Archscrew2.jpg Drainage wheel from Rio Tinto mines in the Sierra Morena mountains of Andalusia Spain Ancient Roman mine's drainage technology Own scan of old journal transferred from http //en wikipedia org en wikipedia 2008-03-20 Peterlewis wikipedia en Peterlewis original upload log page en wikipedia Archscrew2 jpg 2008-03-20 18 53 Peterlewis 1526×1966× 313847 bytes <nowiki>own scan of old journal</nowiki> Tinto River Gold mining Ancient Roman mining Mine drainage systems Science and technology in ancient Rome | ||||
