Pier on the Pomarão fluvial harbour, on the Guadiana River, located in the Mértola Municipality, in Portugal. The São Domingos railway transported the ore from the mines to this harbour, where it was unloaded into ships and exported abroad. This image was published on the Ilustração Portuguesa magazine No. 85, of the 7th October 1907, and scanned by the Hemeroteca Municipal de Lisboa.