In the Harz Mountains, Germany, water became an essential source of energy for mining long before steam machines. Started in the Middle Ages with the participation of Cistercian monks of Walkenried, the High Harz system was expanded for about 800 years with reservoirs, canals, tunnels and drainage tunnels capable of...
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In the Harz Mountains, Germany, water became an essential source of energy for mining long before steam machines. Started in the Middle Ages with the participation of Cistercian monks of Walkenried, the High Harz system was expanded for about 800 years with reservoirs, canals, tunnels and drainage tunnels capable of...