Potzberg was a mining centre in the Palatinate in the 18th and 19th centuries. From the first decades of the 18th century until 1866, tin mining was evidently carried out at Potzberg. The mining district in this second Palatine mining period mainly covered the municipalities of Gimsbach, Rutsweiler, Mühlbach and Föckelberg. The government of the Electorate of the Palatinate promised itself new sources of income with the production of mercury. This began on the southern Potzberg (Alter Potzberg), but from 1771 the focus shifted to the much richer northern Potzberg. Its zenith was probably in the 1780s. An old mining map by Electoral Palatine master miner (Bergmeister), Adolph E. Ludolph, dates to this time The names of the mine bear witness to the Christian faith of the miners. Numerous test pits, prospecting tunnels and other prospecting marks indicate this period of the mining boom. Unfortunately, however, many projects were unsuccessful and closed down after a short period. Very few mines were able to survive for any length of time and operate more or less profitably. After its expectant beginning and years of hope, mining gradually declined on the Potzberg. In 1795, there were only 5 mines still in operation; in 1850 only 3 mines were left, and, in 1866, mining ended at the Dreikönigszug (Epiphany Shaft). The Dreikönigszug, which had been in operation for almost 9 decades, was one of the most profitable mercury mines in the Palatinate and Germany. Even today, numerous surface remnants in the Potzberg forest such as portals (Mundlöcher), collapsed tunnels (pingen), spoil tips, the gallery spring (Stollen Quelle, Yellow Water) as well as the former mining administrator's house in the miners' settlement of Dreikönigszug and the housing estate of Kellerhäuschen are still reminiscent of the history of mining on the Potzberg.